Scientific
bibliography of Carl Djerassi
1946
1.
������� The Preparation and Partial
Aromatization of 1, 4-Cho1estadienone-3 by the Dienone-Pheno1 Rearrangement.
J.
A. C. S., 68, 1712 (1946).
by A. L. Wilds and C. Djerassi.
2.
������� The Dienone-Pheno1 Rearrangement
Applied to Chrysene Derivatives. The Synthesis of 3-Hydroxy-1-methy1-chrysene
and Related Compounds.
J.
A. C. S., 68, 1715 (1946).
by A. L. Wilds and C. Djerassi.
3.
������� The Preparation of
5-Methoxybenzene-1,2,3-tri-carboxylic Acid.
J.
A. C. S., 68, 1862 (1946).
by A. L. Wilds and C. Djerassi.
4.
������� The Synthesis of Estradiol and
1-Methy1estradio1 from Cholesterol.
J.
A. C. S., 68, 2125 (1946).
by A. L. Wilds and C. Djerassi.
5.
������� Heterocyclic Amines with
Antihistaminic Activity.
J.
A. C. S., 68, 1999 (1946).
by
C. P. Huttrer, C. Djerassi, W. L. Beears, R. L. Mayer and C. R. Scholz.
�1947
6.
������� The Ultraviolet Absorption Spectra
of α,β-Un-saturated Ketones Conjugated with an Aromatic Nucleus.
J.
A. C. S., 69, 1985 (1947).
by
A. L. Wilds, L. W. Beck, W. J. Close, C. Djerassi, J. A. Johnson, Jr.,
T. L. Johnson and C. H. Shunk.
7. ������� Aryloxyacetamidines and
2-(Aryloxymethyl)-imidazolines.
J.
A. C. S., 69, 1688 (1947).
by C. Djerassi and C. R. Scholz.
8. ������� The Bromination of Saturated
3-Ketosteroids with N-Bromo-Imides.
Experientia,
3, 107 (1947).
by
C. Djerassi and C. R. Scholz.
9. ������� The Bromination of 3-Ketosteroids in
Acetic Acid and the Effect of Trace Substances in the Solvent.
J.
A. C. S., 69, 2404 (1947).
by C. Djerassi and C. R. Scholz.
10. ����� The Method of Molecular Rotation
Differences Applied to 3-Ketosteroids of the Allo Series.
J.
Org. Chem., 12, 823 (1947).
by C. Djerassi.
�
1948
11.
����� Brominations with Pyridine
Hydrobromide Perbromide.
J.
A. C. S., 70, 417 (1948).
by
C. Djerassi and C. R. Scholz.
12.
����� The Preparation and Dienone-Pheno1
Rearrangement of 2-Bromo-1,4-androstadien-17-o1-3-one 17-Hexahydrobenzoate.
J.
A. C. S., 70, 1911 (1948).
by C. Djerassi and C. R. Scholz.
13.
����� Identification of Crystalline
Progesterone with 2,4-Dinitrophenylhydrazine.
Anal.
Chem., 20, 880 (1948).
by C. Djerassi.
14.
����� 5-Methy1doisyno1ic Acid and
1-Methy1estrone.
J.
Org. Chem., 13, 697 (1948).
by C. Djerassi and C. R. Scholz.
15.
����� 2-(Benzhydryloxymethy1) Imidazo1ine.
A New Histamine Antagonist.
J.
Org. Chem., 13, 830 (1948).
by C. Djerassi and C. R. Scholz.
16.
����� The Su1fonation of Some Polycyclic
Ketones.
J.
Org. Chem., 13, 848 (1948).
by C. Djerassi.
17.
����� Brominations with N-Bromosuccinimide
and Related Compounds. The Wohl-Zieg1er Reaction.
Chem.
Rev., 43, 271 (1948).
by C. Djerassi.
1949
18.
����� The Ultraviolet Absorption Spectra
of Steroidal Dinitropheny1hydrazones.
J.
A. C. S., 71, 1000 (1949).
by C. Djerassi and E. Ryan.
19.
����� The Scope and Mechanism of the
Reaction of Dini-trophenylhydrazine with Steroidal Bromo Ketones.
J.
A. C. S., 71, 1003 (1949).
by C. Djerassi.
20.
����� Δ1-Desoxycorticosterone
Acetate.
Experientia,
5, 204 (1949).
by
C. Djerassi, C. R. Scholz and J. H. Leathem.
21.
����� The Wohl-Zieg1er Bromination of Enol
Acetates of 20-Keto Steroids.
J.
Org. Chem., 14, 660 (1949).
by C. Djerassi and C. R. Scholz.
22.
����� The Preparation of Two Aromatic
Analogs of Desoxycorticosterone Acetate.
J.
A. C. S., 71, 3962 (1949).
by C. Djerassi and C. R. Scholz.
�
1950
23.
����� 2-(Aryloxymethyl)Thiazolines and
Penthiazolines.
J.
Org. Chem., 15, 694 (1950).
by C. Djerassi and C. R. Scholz.
24.
����� 2-Substituted-4-(2-Dialkylaminoethyl)Thiazoles.
J.
Org. Chem., 15, 700 (1950).
by
C. Dierassi, R. H. Mizzoni and C. R. Scholz.
25.
����� Preparation and Derivatives of
N-Substituted Glycinonitriles.
J.
A. C. S., 72, 3081 (1950).
by R. A. Turner and C. Djerassi.
26.
����� Steroids II. A Method for the
Conversion of Allosteroids into Δ4-3-Ketosteroids.
J.
A. C. S., 72, 1046 (1950).
by
G. Rosenkranz, S. Kaufmann, J. Pataki and C. Djerassi.
27.
����� Steroids III. Bromination of Certain
Keto-steroids and a Partial Synthesis of Estradiol, Estrone and Equilenin.
Nature,
165, 814 (1950).
G.
Rosenkranz, C. Djerassi, S. Kaufmann, J. Pataki and J. Romo.
28.
����� Steroids IV. α-Iodoketones. A
Method for the Conversion of Allosteroids into Δ4-3-Ketosteroids.
J.
A. C. S., 72, 4077 (1950).
by
G. Rosenkranz, O. Mancera, J. Gatica and C. Djerassi.
29.
����� Steroids V. The Synthesis of Adrenal
Cortico-steroids and Analogs from Allopregnan-3β-ol-20-one.
J.
A. C. S., 72, 4081 (1950).
by
G. Rosenkranz, J. Pataki, S. Kaufmann, J. Berlin and C. Djerassi.
30.
����� Steroids VI. The Wohl-Ziegler
Bromination of Steroidal 1,4-dien-3-ones. Partial Synthesis of Δ6-Dehydroestrone
and Equilenin.
J.
A. C. S., 72, 4531 (1950).
by
S. Kaufmann; J. Pataki, G. Rosenkranz, J. Romo and C. Djerassi.
31.
����� Steroids VII. Contribution to the
Bromination of Δ4-3-Ketosteroids and a New Partial Synthesis of
the Natural Estrogens.
J.
A. C. S., 72, 4534 (1950).
by
C. Djerassi, G. Rosenkranz, J. Romo, S. Kaufmann and J. pataki.
32.
����� Steroids VIII. The Dienone-Phenol
Rearrangement in the Steroid Series. Synthesis of a New Class of Estrogens.
J.
A. C. S., 72, 4540 (1950).
by
C. Djerassi, G. Rosenkranz, J. Romo, J. pataki and S. Kaufmann.
33.
����� Steroidal Sapogenins IV.
Nomenclature of the Steroidal Sapogenins.
Nature,
166, 104 (1950).
by
G. Rosenkranz and C. Djerassi.
34.
����� Steroids IX. The Dienone-Phenol
Rearrangement in the Cholesterol Series.
J.
Org. Chem., 15, 896 (1950).
by
J. Romo, C. Djerassi and G. Rosenkranz.
35.
����� Steroids XI.
l7-Ethynylandrostan-17β-ol and Androstane-2,17-dione.
J.
A. C. S., 72, 5750 (1950).
by
C. Djerassi, R. Yashin and G. Rosenkranz.
�
1951
36.
����� Steroids XV. The Bromination of
3-Ketosteroids of the Normal Series.
Experientia,
7, 93 (1951).
by
C. Djerassi and G. Rosenkranz.
37.
����� Steroids XIV. Studies in the
3,6-Dihydroxypreg-nane Series.
J.
Org. Chem., 16, 192 (1951).
by
O. Mancera, G. Rosenkranz and C. Djerassi.
38.
����� Steroidal Sapogenins VI. Synthesis
of Δ7-22-Isoallospirosten-3β-ol and Unsaturated Analogs.
J.
Org. Chem., 16, 298 (1951).
by
G. Rosenkranz, J. Romo, E. Batres and C. Djerassi.
39.
����� Steroidal Sapogenins VII.
Experiments in the Hecogenin Series (part 1).
J.
Org. Chem., 16, 303 (1951).
by
C. Djerassi, H. Martinez and G. Rosenkranz.
40.
����� Steroids X. Aromatization
Experiments in the Cholesterol Series.
J.
Org. Chem., 15, 1289 (1951).
by
J. Romo, G. Rosenkranz and C. Djerassi.
41.
����� Steroids XVII. A Steroidal
Cyc1opropyl Ketone.
J.
A. C. S., 73, 2383 (1951).
by
A. Sandoval, G. Rosenkranz and C. Djerassi.
42.
����� Steroids XII. Aromatization
Experiments in the Progesterone Series.
J.
A. C. S., 73, 1523 (1951).
by
C. Djerassi, G. Rosenkranz, J. Iriarte, J. Berlin and J. Romo.
43.
����� Steroids XIII. Reaction of
α,β-Unsaturated Steroid Ketones with Benzylmercaptan. Thioeno1 Ether
Formation and 1,4-Addition.
J.
A. C. S., 73, 1528 (1951).
by
J. Romo, M. Romero, C. Djerassi and G. Rosenkranz.
44.
����� The Dienone-Pheno1 Rearrangement.
J.
A. C. S., 73, 990 (1951).
by
A. Sandoval, L. Miramontes, G. Rosenkranz and C. Djerassi.
45. ����� Steroidal
Sapogenins VIII. Steroids XVIII. Synthesis of Δ7,9(11)-A11opregnadien-3β-ol-20-one
from Diosgenin and from Δ5-Pregnen-3β-ol-20-one.
J.
Org. Chem., 16, 754 (1951).
by
C. Djerassi, J. Romo and G. Rosenkranz.
46.
����� The Synthesis of
1-Ethyl-2,5-Dimethyl-8-Methoxyphenanthrene.
J.
Org. Chem., 16, 899 (1951).
by
J. Jerran, O. Mancera, G. Rosenkranz and C. Djerassi.
47.
����� The Effect of Bromine Substitution
upon the Ul-traviolet Absorption Spectra of α,β-Unsaturated Ketones.
J.
A. C. S., 73, 3263 (1951).
by
A. L. Nussbaum, O. Mancera, R. Daniels, G. Rosenkranz and C. Djerassi.
48.
����� Steroids XXII. The Synthesis of
19-Norprogeste-rone.
J.
A. C. S., 73, 3540 (1951).
by
L. Miramontes, G. Rosenkranz and C. Djerassi.
49.
����� Steroids XXIV. Introduction of the
11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids.
J.
A. C. S., 73, 3546 (1951).
by
G. Stork, J. Romo, G. Rosenkranz and C. Djerassi.
50.
����� Steroids XXV. Synthesis of
Cortisone.
J.
A. C. S., 73, 4055 (1951).
by
G. Rosenkranz, J. Pataki and C. Djerassi.
51.
����� Steroids XXVI. Cortical Hormones
from A11oste-roids: Synthesis of Cortisone from Reichstein's Compound D.
Nature,
168, 28 (1951).
by
G. Rosenkranz, C. Djerassi, R. Yashin and J. Pataki.�
52.
����� Steroida1 Sapogenins IX. Oxidation
of Δ5,16,20(22)-Furostatriene-3β,26-diol.
J.
A. C. S., 73, 3820 (1951).
by
A. Sandoval, J. Romo, G. Rosenkranz, S. Kaufmann and C. Djerassi.
53.
����� Steroidal Sapogenins XI. Experiments
in the Hecogenin Series (part 2).
J.
Org. Chem., 16, 1278 (1951).
by
C. Djerassi, H. Martinez and G. Rosenkranz.
54.
����� Steroids XXVIII. Introduction of the
11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids (part
2).
J.
A. C. S., 73, 4496 (1951).
by
C. Djerassi, O. Mancera, G. Stork and G. Rosenkranz.
55.
����� Steroidal Sapogenins X. Unsaturated
22-Isospirosten-3-ones.
J.
A. C. S., 73, 4654 (1951).
by
R. Yashin, G. Rosenkranz and C. Djerassi.
56.
����� Steroids XX. Cyclic Steroidal
Hemithioketa1s.
J.
A. C. S., 73, 4961 (1951).
by
J. Romo, G. Rosenkranz and C. Djerassi.
57.
����� Steroidal Sapogenins XII. The
Configuration of the Hydroxyl Groups in Kammogenin, Yuccagenin, Li1agenin and
Gitogenin.
J.
A. C. S., ll., 5375 (1951).
58.
����� Steroids XXI. Δ7-Androstene-3β,17β-diol.
J.
A. C. S., 73, 5478 (1951).
by
F. Neumann, G. Rosenkranz, J. Romo and C. Djerassi.
59.
����� Steroids XXIII. Δ7,9(11)-Allopregnadiene-3β,20β-dio1
and Related Compounds.
J.
A. C. S., 73, 5489 (1951).
by
J. Romo, G. Rosenkranz and C. Djerassi.
60.
����� Steroidal Sapogenins XV. Experiments
in the Hecogenin Series (part 3). Conversion to Cortisone.
J.
A. C. S., 73, 5513 (1951).
by
C. Djerassi, H. J. Ringold and G. Rosenkranz.
61. ����� Steroidal
Sapogenins XIV. Δ4,6-22-Isospirostadien-3β-ol and Δ2,4,6-22-Isospirostatriene.
J.
Org. Chem., 16, 1873 (1951).
by
J. Romo, H. J. Ringold, G. Rosenkranz and C. Djerassi.
�
1952
62. ����� Steroidal
Sapogenins XIII. Δ8(9)-22-Isospirosten-3α-ol.
J.
A. C. S., 74, 422 (1952).
by
C. Djerassi, R. Yashin and G. Rosenkranz.
63.
����� Steroids XXVII. Synthesis of
A11opregnane-3β, 11β,17α,20β,21-Pento1 from Cortisone and
Diosgenin.
J.
Biol. Chem., 194, 115 (1952).
by
C. Djerassi, G. Rosenkranz, J. Pataki and S. Kaufmann.
64.������ Steroids XXIX. Synthesis of 11β-Hydroxyprogesterone.
J.
Org. Chem., 17, 290 (1952).
by
G. Rosenkranz, J. Pataki and C. Djerassi.
65.
����� Steroidal Sapogenins XVI.
Introduction of the 11-Keto and 11α-Hydroxy Groups into Ring C
Unsubstituted Steroids (part 3). 11-Oxygenated Sapogenins.
J.
A. C. S., 74, 1712 (1952).
by
C. Djerassi, E. Batres, M. Velasco and G. Rosenkranz.
66.������ Steroidal Sapogenins XVII.
22-Isoallospirost-8(14)-en-3β-ol and
3β-Hydroxya11opregn-8(14)-en-20-one.
J.
Chem. Soc., 1021 (1952).
by
0 Mancera, D. H. R. Barton, G. Rosenkranz and C. Djerassi.
67.������ Steroidal Sapogenins XVIII. Experiments
in the 5,6-Dihydrokryptogenin Series.
J.
Org. Chem., 11, 426 (1952).
by
A. L. Nussbaum, A. Sandoval, G. Rosenkranz and C. Djerassi.
68.������ Steroids XXXI. Introduction of the
11-keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids (part
4). Saturated 7, 11-Diones.
J.
A. C. S., 74, 2918 (1952).
by
J. Romo, G. Stork, G. Rosenkranz and C. Djerassi.
69.������ Steroids XXXII. Introduction of the
11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids (part
5). Δ8-7-Ketones.
J.
A. C. S., 74, 3321 (1952).
by
C. Djerassi, O. Mancera, M. Velasco, G. Stork and G. Rosenkranz.
70.
����� Steroids XXXIII.� Δ7-Allopregnene-3β,17α-diol-20-one
and Related Compounds.
J.
A. C. S., 74, 3436 (1952).
by
J. Pataki, G. Rosenkranz and C. Djerassi.
71.
����� Steroidal Sapogenins XIX. Sodium
Borohydride Reduction of 3-Acetoxy-Δ3,5,7-22-Isospirostatriene
and 3-Acetoxy-Δ3,5,7,9(11)-22-Isospirostatetraene.
J.
A. C. S., 74, 3441 (1952).
by
H. J. Ringold, G. Rosenkranz and C. Djerassi.
72.������ Steroidal Sapogenins XX. Synthesis and
Reactions of the Epimeric Δ5-22-Isospirosten-3β,7-diols.
J.
A. C. S., 74, 3318 (1952).
by
H. J. Ringold, G. Rosenkranz and C. Djerassi.
73. ����� Steroidal
Sapogenins XXII. Steroids XXXIV. Degradation of 11-0xygenated Sapogenins.
Synthesis of Allopregnane-3β,11β-diol-20-one and
Allopregnane-3β,11α-diol-20-one.
J.
A. C. S., 74, 3634 (1952).
by
C. Djerassi, E. Batres, J. Romo and G. Rosenkranz.
74.
����� Steroids XXXIX. Synthesis of Δ4-Pregnene-11α,17α,21-triol-3,20-dione,
the 11-epimer of Kendall's Compound F.
Chem. & Ind., 783 (1952).
by J. Romo, A. Zaffaroni, J.
Hendrichs, G. Rosenkranz, C. Djerassi and F. Sondheimer.
75.
����� Steroidal Sapogenins XXI.
Identification by the Absorption Spectra of their Sulfuric Acid Chromogens.
J.
Org. Chem., 17, 747 (1952).
by
G. Diaz, A. Zaffaroni, G. Rosenkranz and C. Djerassi.
76.
����� Steroidal Sapogenins XXIII.
Introduction of the 11-Keto and 11α-Hydroxy Groups into Ring C
Unsubstituted Steroids (part 6). New Approach to 11-Oxygenated Steroids.
J.
A. C. S., 74, 2696 (1952).
by
F. Sondheimer, R. Yashin, G. Rosenkranz and C. Djerassi.
77.
����� Steroids XXXV. Synthesis of
llα-Hydroxyprogesterone.
J.
Org. Chem., 17, 1066 (1952).
by
O. Mancera, J. Romo, F. Sondheimer, G. Rosenkranz and C. Djerassi.
78.������ Steroids XXXVII. A Ten Step Conversion of
Progesterone to Cortisone.
J. A. C. S., 74, 3711 (1952).
by O. Mancera, A. Zaffaroni, B. A.
Rubin, F. Sondheimer, G. Rosenkranz and C. Djerassi.
79.������ Steroids
XXXVIII. Synthesis of Allopregnane-3,11,20-trione-17α,21-diol (Dihydroallocortisone) from Allopregnan-3β-ol-11,20-dione.
J.
A. C. S., 74, 5615 (1952).
by
J. Pataki, G. Rosenkranz and C. Djerassi.
80.
����� Steroids XXX. Partial Synthesis of
Allopregnane-3β,11β,21-triol-20-one and
Allopregnane-3β,11β,17α,21-tetrol-20-one.
J.
Biol. Chem., 195, 751 (1952).
by
J. Pataki, G. Rosenkranz and C. Djerassi.
81.
����� Steroids XXXVI. Desu1furization
Experiments in the 7-Ketopregnane Series.
J.
Org. Chem., 17, 1413 (1952).
by
J. Romo, G. Rosenkranz and C. Djerassi.
1953
82.������ Steroidal Sapogenins XXV. Experiments in
the Hecogenin Series (part 4). Degradation of 22α-5α-Spirostane-3β,12β-diol-11-one.
J.
A. C. S., 75, 239 (1953).
by
H. Martinez, H. J. Ringold, G. Rosenkranz and C. Djerassi.
83.
����� Steroidal Sapogenins XXIV. Synthesis
and Side Chain Degradation of Δ7-22a-Spirosten-3β-ol.
J. Org. Chem., 18, 92 (1953).
by M. Velasco, J. Rivera, G.
Rosenkranz, F. Sondheimer and C. Djerassi.
84. ����� Steroids
XLI. Synthesis
of 11α,17α-Dihydroxy-progesterone and of
11α,17α,21-Trihydroxyprogesterone, the 11-epimer of Kendall's
Compound F.
J.
A. C. S., 75, 1277 (1953).
by
J. Romo, G. Rosenkranz, C. Djerassi and F. Sondheimer.
85. ����� Steroids
XLII. Steroidal Sapogenins XXVI. The Chemical Reduction of Δ8-11-Keto
and of Saturated 11-Keto Steroids. A New Approach to 11-Keto and
11α-Hydroxy Steroids.
J.
A. C. S., 75, 1282 (1953).
by
F. Sondheimer, O. Mancera, G. Rosenkranz and C. Djerassi.
86.
����� Steroids XLIII. A Ten Step
Conversion of Progesterone to Cortisone. The Differential Reduction of
Pregnane-3,20-diones with Sodium Borohydride.
J.
A. C. S., 75, 1286 (1953).
by
O. Mancera, H. J. Ringold, C. Djerassi, G. Rosenkranz and F. Sondheimer.
87.
����� The Dehydration of a Steroidal Δ8-11α-Hydroxy-7-Ketone.
J.
A. C. S., 75, 1745 (1953).
by
A. J. Lemin, G. Rosenkranz and C. Djerassi.
88.
����� Terpenoids I. The Triterpenes of the
Cactus Lemaireocereus Thurberi.
J.
A. C. S., 75, 2254 (1953).
by
C. Djerassi, L. E. Geller and A. J. Lemin.
89.������ Steroids XLIV. Synthesis of Δ4-Pregnene-11α,21-diol-3,20-dione
Diacetate, the 11-Epimer of Corticosterone Acetate.
J.
A. C. S., 75, 2601 (1953).
by
F. Sondheimer, G. Rosenkranz, O. Mancera and C. Djerassi.
90.
����� Synthesis and Reactions of Chlorinated
3-Keto-steroids.
J.
A. C. S., 75, 3500 (1953).
by
J. J. Beereboom, C. Djerassi, D. Ginsburg and L. F. Fieser.
91.
����� α-Iodoketones (part 2).
Reaction of Enol Acetates with N-Iodosuccinimide.
J.
A. C. S., 75, 3493 (1953).
by C. Djerassi and C. T. Lenk.
92.
����� Steroidal Sapogenins XXVII. The
Stereochemistry of the Catalytic Hydrogenation of Δ8-11-Keto
Steroids.� Synthesis of 8-Iso and
14-Iso-11- Keto Sapogenins.
J.
A. C. S., 75, 3496 (1953).
by C. Djerassi, W. Frick, G.
Rosenkranz and F. Sondheimer.
93. ����� Steroids
XLV. Introduction
of the 11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids
(part 8).� Performic Acid Oxidation of
7,9(11)-dienes.
J.
A. C. S., 75, 3505 (1953).
by
C. Djerassi, O. Mancera, J. Romo and G. Rosenkranz.
94.
����� Alkaloid Studies I.� The Isolation of Pilocereine from the Cactus Lophocereus
schottii.
J.
A. C. S., 75, 3632 (1953).
by
C. Djerassi, N. Frick and L. E. Geller.
95.
����� Studies in Organic Sulfur Compounds
V. Synthesis of 21-Thio1acetates of Adrenal Cortical Hormones.
J.
A. C. S., 75, 3700 (1953).
by
C. Djerassri and A. L. Nussbaum.
96.
����� Studies in Organic Sulfur Compounds
VI. Cyclic Ethylene and Trimethylene Hemithioketals.
J.
A. C. S., 75, 3704 (1953).
by C. Djerassri and M. Gorman.
97.
����� Steroidal Sapogenins XXVIII. The
Reaction of Peracids with Enol Acetates of Δ8-7-Keto and Δ8-11-Keto
Steroidal Sapogenins.
J.
A. C. S., 75, 4428 (1953).
by
O. Mancera, L. Miramontes, G. Rosenkranz, F. Sondheimer and C. Djerassi.
98.
����� Steroids XLVIII. 19-Norprogesterone,
A Potent Progestational Hormone.
J.
A. C. S., 75, 4440 (1953).
by
C. Djerassi, L. Miramontes and G. Rosenkranz.
99.
����� Steroidal Sapogenins XXIX.
Experiments in the Hecogenin Series (part 5).
22a-5β-Spirostan-3α-ol-12-one.
J.
A. C. S., 75, 4885 (1953).
by C. Djerassi, A. J. Lemin,
H. Martinez, G. Rosenkranz and F. Sondheimer.
100.
��� Oxidations with Ruthenium Tetroxide.
J.
A. C. S., 75, 3838 (1953).
by C. Djerassi and R. R. Engle.
101.
��� Steroids XLIX.
19-Nor-Desoxycorticosterone, A Potent Mineralocorticoid Hormone.
J.
A. C. S., 75, 4117 (1953).
by
A. Sandoval, L. Miramontes, G. Rosenkranz, C. Djerassi and F.
Sondheimer.
102.
��� Steroidal Sapogenins XXX. Synthesis
and Side Chain Degradation of 22a-5β-Spirostan-3α-ol-11-one Acetate.
J.
A. C. S., 75, 4430 (1953).
by
G. Rosenkranz, M. Velasco, C. Djerassi and F. Sondheimer.
103.
��� Terpenoids II.� Experiments in the Cafestol Series.
J.
Org. Chem., 18, 1449 (1953).
by
C. Djerassi, E. Wilfred, L. Visco and A. J. Lemin.
104.
��� Terpenoids III. The Isolation of
Erythrodiol, Oleanolic Acid and a New Triterpene Triol, Longispinogenin from
the Cactus Lemaireocereus longispinus.
J.
A. C. S., 75, 5940 (1953).
by
C. Djerassi, R. M. McDonald and A. J. Lemin.
105.
��� Alkaloid Studies II.� Isolation of Reserpine and Narcotine from Rauwolfia
Heterophylla.
J.
A. C. S., 75, 5446 (1953).
by
C. Djerassi, M. Gorman, A. L. Nussbaum and J. Reynoso.
106.
��� Synthesis of Cortisone and Related
Steroids.
Vitamins
and Hormones (Academic Press), 11, 205 (1953).
by C. Djerassi.
107.
��� Synthesis of 11-Oxygenated Steroids
from Plant Sources.
Recent
Progress in Hormone Research (Academic Press), 8, 1 (1953).
by
G. Rosenkranz, F. Sondheimer, O. Mancera, J. Pataki, H. J. Ringold, J. Romo, C.
Djerassi and G. Stork.
108.
��� Synthesis of 11-Oxygenated Steroids
from Steroidal Sapogenins.
Ciba
Foundation Colloquia on Endocrinology (Churchill, Ltd.), 7, 79-95
(1953).
by
C. Djerassi and G. Rosenkranz.
1954
109.
��� Terpenoids IV. The Structures of the
Cactus Triterpenes Gummosogenin and Longispinogenin.
Chem.
& Ind., 161 (1954).
by
C. Djerassi, L. E. Geller and A. J. Lemin.
110.
��� The Dienone-Phenol Rearrangement in
the Benzo (c)-phenanthrene Series. A Case of Concurrent Methyl and Methylene
Migration.
J.
A. C. S., 76, 1741 (1954).
by
C. Djerassi and T. T. Grossnickle.
111.
��� α-Iodoketones (part 3). Synthesis
of 21-Iodo-Δ16-20-keto Steroids by the N-Iodosuccinimide-Enol
Acetate Reaction.
J.
A. C. S., 76, 1722 (1954).
by C. Djerassri and C. T. Lenk.
112.
��� Terpenoids V. The Isolation of Iresin,
A New Sesquiterpene Lactone.
J.
A. C. S., 76, 2966 (1954).
by
C. Djerassi, P. Sengupta, J. Herran and F. Walls.
113.
��� Terpenoids VI. Dumortierigenin, A New
Triterpene Lactone from the Cactus Lemaireocereus dumortieri.
J.
A. C. S., 76, 2969 (1954).
by
C. Djerassi, E. Farkas, A. J. Lemin, J. C. Collins and F. Walls.
114.
��� Terpenoids VII. Experiments in the
Glycyrrhetic Acid Series.
J.
A. C. S., 76, 4085 (1954).
by C. Djerassi and C. M. Foltz.
115.
��� Terpenoids VIII. The Structures of the
Cactus Triterpenes Gummosogenin and Longispinogenin.
J.
A. C. S., 76, 4089 (1954).
by
C. Djerassi, L. E. Geller and A. J. Lemin.
116.
��� Steroids LIV. Synthesis of
19-Nor-17α-Ethynyltestosterone and 19-Nor-17α-Methyl-testosterone.
J.
A. C. S., 76, 4092 (1954).
by
C. Djerassi, L. Miramontes, G. Rosenkranz and F. Sondheimer.
117.
��� Steroidal Sapogenins XXXVII.
Experiments in the Hecogenin Series (part 6). Conversion to Cortisone.
J.
A. C. S., 76, 5533 (1954).
by
C. Djerassi, H. J. Ringold and G. Rosenkranz.
118.
��� Steroidal Sapogenins XXXIV. Introduction
of the 11-oxo- and the 11α-Hydroxy Group into Ring C Unsubstituted
Steroids (part 9). The Epoxides of Δ7,9(11)-5α-Hydroxy
Sapogenins.
J.
Chem. Soc., 2346 (1954).
by C. Djerassi, A. J. Lemin,
G. Rosenkranz and F. Sondheimer.
119.
��� Synthesis and Reactions of Mixed
Bromo-chloro 3-Ketosteroids.
J.
Org. Chem., 19, 1196 (1954).
by
J. J. Beereboom and C. Djerassi.
120.
��� Lead Tetraacetate Oxidation of
Steroidal Glycols. Some Observations on Quabagenin.
J.
Org. Chem., 19, 1351 (1954).
by C. Dierassi and R. Ehrlich.
121.
��� Alkaloid Studies III.� Isolation of Pilocereine and Anhalonidine
from Four Cactus Species.
J.
A. C. S., 76, 3215 (1954).
by
C. Djerassi, C. R. Smith, S. P. Marfey, R. N. McDonald, A. J. Lemin, S.
K. Figdor and H. Estrada.
122.
��� Alkaloid Studies IV. The Isolation of
Reserpine, Serpentine and Ajmaline from Rauwolfia Heterophylla.
J.
A. C. S., 76, 4463 (1954).
by
C. Djerassi, M. Gorman, A. L. Nussbaum and J. Reynoso.
123.
��� The Reaction of α-Halo Ketones
with 2-Pyridinethiol.
J.
A. C. S., 76, 4470 (1954).
by C. Djerassi and G. R. Pettit.
124.
��� The Constitution of Digitogenin.
Chem.
& Ind., 728 (1954).
by
C. Djerassi and T. T. Grossnickle.
125.
��� The Constitution and Stereochemistry
of Samogenin, Markogenin and Mexogenin.
Chern.
& Ind., 1320 (1954).
by
C. Djerassi, J. Fishman, J. A. Moore.
126. ��� Steroids
LV. Steroidal Sapogenins XXXV.� Chemical Introduction
of the 6β-Hydroxy Group into Steroidal Δ4-3-Ketones by a
Two Step Sequence.
J.
Org. Chem., 19, 1509 (1954).
by
J. Romo, G. Rosenkranz, C. Djerassi and F. Sondheimer.
127.
��� The Conversion of Diosgenin to
Cortisone via 11-Ketosteroids of the 5β-Series.
J.
A. C. S., 76, 5672 (1954).
by A. J. Lemin and C. Djerassi.
128.
��� Terpenoids XV. The Constitution of
Iresin.� A New Fundamental Sesquiterpene
Skeleton.
J.
A. C. S., 76, 6410 (1954).
by
C. Djerassi, W. Ritte1, A. L. Nussbaum, F. W. Donovan and J. Herran.
129.
��� Terpenoids IX. The Constitution of
Machaeric Acid.
Chem.
& Ind., 960 (1954).
by
C. Djerassi and A. E. Lippman.
130.
��� Terpenoids X.� The Triterpenes of the Cactus Lemaireocereus
hystrix.
J.
A. C. S., 76, 5780 (1954).
by
C. Djerassi and A. E. Lippman.
131.
��� The Stereochemical Course of the
Reduction of a 14β-Δ8-11-0xo Steroid.
Chem.
& Ind., 1228 (1954).
by
C. Djerassi and G. H. Thomas.
132.
��� Steroids LXIII. Synthesis of Δ4-19-Norpregnene-11β,17β,21-triol-3,20-dione
(19-Norhydrocortisone) and related 19-Noradrena1 Hormones.
J.
A. C. S., 76, 6210 (1954).
by
A. Zaffaroni, H. J. Ringold, G. Rosenkranz, F. Sondheimer, G. H. Thomas and C.
Djerassi.
133.
��� Terpenoids XII.� The Constitution of the Cactus Triterpene
Cochalic Acid.
Chem.
& Ind., 1354 (1954).
by
C. Djerassi and G. H. Thomas.
134.
��� Alkaloid Studies VI.� Cuauchichicine, A New Diterpenoid Alkaloid.
J.
A. C. S., 76, 5889 (1954).
by
C. Djerassi, C. R. Smith, S. K. Figdor, J. Herran and J. Romo.
�
1955
135.
��� Terpenoids XI. Investigation of Nine
Cactus Species. Isolation of TWo New Triterpenes, Stellatogenin and Machaeric
Acid.
J.
A. C. S., 77, 1200 (1955).
by
C. Djerassi, L. H. Liu, E. Farkas, A. E. Lippman, A. J. Lemin, L. E.
Geller, R. N. McDonald and B. J. Taylor.
136.
��� Terpenoids XIII. The Structures of the
Cactus Triterpenes Machaeric Acid and Machaerinic Acid.
J.
A. C. S., 77, 1825 (1955).
by
C. Djerassi and A. E. Lippman.
137.
��� Terpenoids XIV. The Stereochemistry of
Sumaresinolic Acid and Its Conversion to Oleanolic Acid.
Helv.
Chim. Acta, 38, 1304 (1955).
by C. Djerassi, G. H. Thomas and O. Jeger.
138.���� Studies in Organic Sulfur Compounds VII.
Lithium Aluminum Hydride Reduction of Xanthates to Mercaptans. Synthesis of
Substituted β-Mercaptoethanols.
J.
A. C. S., 77, 568 (1955).
by
C. Djerassi, M. Gorman, F. X. Markley and E. B. Oldenburg.
139.
��� Steroids LXI. Synthesis of
19-Nor-desoxy-corticosterone, A Potent Mineralocorticoid Hormone.
J.
A. C. S., 77, 148 (1955).
by
A. Sandoval, G. H. Thomas, C. Djerassi, G. Rosenkranz and F. Sondheimer.
140.
��� Alkaloid Studies V. Synthesis of
1-Isopropyl and
1-Isobutyl-2-methyl-6,7-dimethoxy-l,2,3,4-tetrahydroisoquinoline.
J.
A. C. S., 77, 484 (1955).
by
C. Djerassi, J. J. Beereboom, S. P. Marfey and S. K. Figdor.
141.
��� The Stereochemistry of Digitogenin.
Chem.
& Ind., 473 (1955).
by
C. Djerassi, T. T. Grossnickle and L. B.
High.
142.
��� The Configuration of the Hydroxyl
Groups in Gitogenin.
Chem.
& Ind., 474 (1955).
by
C. Djerassi, L. B. High, T. T. Gross-nickle, R. Ehrlich, J. A. Moore and
R. B. Scott.
143.
��� Terpenoids XVI. The Constitution of
the Cactus Triterpene Cocha1ic Acid.�
Partial Reductions of Methyl Diketoechinocystate.
J.
A. C. S., 77, 3579 (1955).
by
C. Djerassi, G. H. Thomas and H. Monsimer.
144.
��� α-Iodoketones (part 4).� The Reaction of N-Iodosuccinimide with Enol
Acetates of Δ4-3-Ketosteroids.
J.
A. C. S., 77, 3826 (1955).
by
C. Djerassi, J. Grossman and G. H. Thomas.
145.
��� Constitution and Stereochemistry of
Samogenin, Markogenin and Mexogenin.
J.
A. C. S., 77, 4291 (1955).
by C. Djerassi and J. Fishman.
146.
��� Optical Rotatory Dispersion Studies I.
The Androstane Series.
J.
A. C. S., 77, 4354 (1955).
by
C. Djerassi, E. W. Foltz and A. E. Lippman.
147.
��� Optical Rotatory Dispersion Studies II.
Steroid Hormones.
J.
A. C. S., 77, 4359 (1955).
by
E. W. Fo1tz, A. E. Lippman and C. Djerassi.
148.
��� Optical Rotatory Dispersion Studies
III. The Cho1estane Series.
J.
A. C. S., 77, 4364 (1955).
by
A. E. Lippman, E. W. Foltz and C. Djerassi.
149.
��� Terpenoids XVII. The Cactus
Triterpenes Thurberogenin and Stellatogenin.
J.
A. C. S., 77, 5330 (1955).
by
C. Djerassi, E. Farkas, L. H. Liu and G. H. Thomas.
150.
��� Studies in Organic Sulfur Compounds
VIII. Introduction of Oxygen in the Raney Nickel Desulfurization of
Hemithioketals (l,3-Oxathiolanes).
J.
A. C. S., 77, 4647 (1955).
by
C. Djerassi, M. Gorman and J. A. Henry.
151.
��� Alkaloid Studies VII. Tetraphyllin and
Tetraphyllicine, Two New Alkaloids from Rauwolfia Tetraphylla.
Chem.
& Ind., 627 (1955).
by
C. Djerassi and J. Fishman.
152.
��� Correlation of Digitogenin with
Progesterone.
J.
A. C. S., 77, 3673 (1955).
by
C. Djerassi, L. B. High, J. Fried and E. F. Sabo.
153.
��� Hydroxylation of Desoxycorticosterone
with Neurospora
crassa.
J.
A. C. S., 77, 3926 (1955).
by
D. Stone, M. Hayano, R. I. Dorfman, O. Hechter, C. H. Robinson and C.
Djerassi.
154.
��� Terpenoids XIX. The Pentacyclic
Skeleton of Cafestol.
J.
Org. Chem., 20, 1046 (1955).
by
C. Djerassi, H. Bendas and P. Sengupta.
155.
��� Alkaloid Studies VIII. The Structures
of the Diterpenoid Alkaloids Laurifoline and Cuauchichicine.
J.
A. C. S., 77, 4801 (1955).
by
C. Djerassi, C. R. Smith, A. E. Lippman, S. K. Figdor and J. Herran.
l55a.
The Structures of the Diterpenoid Alkaloids Laurifoline and
Cuauchichicine.� Nomenclature Alteration.
J.
A. C. S., 77, 6633 (1955).
by
C. Djerassi, C. R. Smith, A. E. Lippman, S. K. Figdor and J. Herran.
156.
��� Terpenoids XVIII. Saponin from Ladino
Clover (Trifolium
repens).
J.
A. C. S., 77, 4936 (1955).
by
E. D. Walter, E. M. Bickoff, C. R. Thompson, C. H. Robinson and C. Djerassi.
157.
��� The Conversion of
Androstane-3,17-dione to Androsterone.
J.
A. C. S., 77, 4925 (1955).
by
C. Djerassi, A. J. Manson and M. Gorman.
158.
��� Terpenoids XX. Constitution of
Cafestol.
Chem.
& Ind., 1481 (1955).
by H. Bendas and C. Djerassi.
159.
��� Terpenoids XXI. The Constitution of
the Cactus Triterpene Queretaroic Acid.
Chem.
& Ind., 1520 (1955).
by
C. Djerassi, J. A. Henry, A. J. Lemin and T. Rios.
160.
��� Alkaloid Studies IX. Rauwolfia
Alkaloids IV.� Isolation of Reserpine and
other Alkaloids from Rauwolfia sellowii Muell. Argov.
J.
A. C. S., 77, 6687 (1955).
by
S. C. Pakrashi, C. Djerassi, R. Wasicky and N. Neuss.
�
1956
161.
��� Optical Rotatory Dispersion Studies� IV. Steroidal Sapogenins.
J.
A. C. S., 78, 440 (1956).
by C. Djerassi and R. Ehrlich.
162.
��� Alkaloid Studies� X. Alkaloids of Two Brazilian
Apocynaceae:� Rauwolfia
Grandiflora
Mart. and Lochnera
(Vinca) Rosea (L.) Reichb. Var. Alba (Sweet) Hubbd.
Chem.
& Ind., 173 (1956).
by
W. B. Mors, P. Zaltzman, J. J. Beereboom, S. C. pakrashi and C. Djerassi.
163.
��� Alkaloid Studies XI. The Structures of
Tetraphyllicine, Ajmalidine and Rauvomitine.
J.
A. C. S., 78, 1259 (1956).
by
C. Djerassi, M. Gorman, S. C. Pakrashi and R. B. Woodward.
164.
��� Methymycin. Reduction and Oxidation
Studies.
J.
A. C. S., 78, 1729 (1956).
by
C. Djerassi; A. Bowers and H. N. Khastgir.
165.
��� The Partial Structure of Methymycin.
J.
A. C. S., 78, 1733 (1956).
by
C. Djerassi, A. Bowers, R. Hodges and B. Riniker.
166.
��� 8-Isoprogesterone.
J.
Org. Chem., 21, 490 (1956).
by
C. Djerassi, A. J. Manson and A. Segaloff.
167.
��� Steroids LXXXI. Transformation of
Sapogenins to Androgegs and Estrogens. Beckmann Rearrangement of Δl-20-Ketosteroids.
J.
Org. Chem., 21, 520 (1956).
by
G. Rosenkranz, O. Mancera, F. Sondheimer and C. Djerassi.
168.
��� Optical Rotatory Dispersion
Studies� V. Effect of Isolated Carbonyl
Groups and Double Bonds in the Cholestane Series.
J.
A. C. S., 78, 3163 (1956).
by
C. Djerassi, W. Closson and A. E. Lippman.
169.
��� Optical Rotatory Dispersion
Studies� VI. The Bile Acid Series.
Polycarbonyl Compounds and Stereochemical Differentiations.
J.
A. C. S., 78, 3761 (1956).
by C. Djerassi and W. Closson.
170.
��� Optical Rotatory Dispersion
Studies� VII. Application to Problems of
Absolute Configurations.
J.
A. C. S., 78, 6362 (1956).
by
C. Djerassi, R. Riniker and B. Riniker.
171.
��� Alkaloid Studies� XII. Synthesis of Substituted
1-Isobutyl-2-methyl-1,2,3,4-tetrahydro-isoquinolines.
J.
Org. Chem., 21, 975 (1956).
by
C. Djerassi, F. X. Markley and R. Ehrlich.
172.
��� Alkaloid Studies XIII.� Isolation of Quebrachamine and of a New
Dihydroindole Alkaloid, Spegazzinine, from Aspidosperma
chakensis Spegazzini.
J.
Org. Chem., 21, 979 (1956).
by
O. O. Orazi, R. A. Corral, J. S. E. Holker and C. Djerassi.
173.
��� 1-Methyl-19-norprogesterone and
1-Methyl-19-nor-17α-hydroxyprogesterone.
J.
A. C. S., 78, 2479 (1956).
by
C. Djerassi, A. E. Lippman and J. Grossman.
174.
��� An Unusual Cyclization in the
Naphthalene Series.� Synthesis of
1-Ethylanthracene and of 4-Ethylphenanthrene.
J.
A. C. S., 78, 2474 (1956).
by C. Djerassi and H. Bendas.
175.
��� The Constitution and Stereochemistry
of Digitogenin.
J.
A. C. S., 78, 3166 (1956).
by
C. Djerassi, T. T. Grossnickle and L. B. High.
176.
��� The Structure of the Antibiotic
Methymycin.
J.
A. C. S., 78, 2907 (1956).
by C. Djerassi and J. A. Zderic.�
177.
��� Terpenoids XXII. Triterpenes from Some
Mexican and South American Plants.
J.
A. C. S., 78, 2312 (1956).
by
C. Djerassi, A. Bowers, S. Burstein, H. Estrada, J. Grossman, J. Herran,
A. J. Lemin, A. Manjarrez and S. C. Pakrashi.
178.
��� Terpenoids XXIII. Interconversion of
Thurberogenin and Betu1inic Acid.
J.
A. C. S., 78, 3534 (1956).
by C. Djerassi and R. Hodges.
179.
��� Terpenoids XXIV. The Structure of the
Cactus Triterpene Queretaroic Acid.
J.
A. C. S, 78, 3783 (1956).
by
C. Djerassi, J. A. Henry, A. J. Lemin, T. Rios and G. H. Thomas.
180.
��� Terpenoids XXV. The Structure of the
Cactus Triterpene Dumortierigenin.
J.
A. C. S., 78, 5685 (1956).
by
C. Djerassi, C. H. Robinson and D. B. Thomas.
181.
��� Alkaloid Studies XIV. The Structure of
the Cactus Alkaloid Pi1ocereine.
J.
A. C. S., 78, 3861 (1956).
by
C. Djerassi, S. K. Figdor, J. M. Bobbitt and F. X. Markley.
182.
��� Optical Rotatory Dispersion Studies
VIII. α,β-Unsaturated Ketones and Solvent Effects.
J.
A. C. S., 78, 6377 (1956).
by
C. Djerassi, R. Riniker and B. Riniker.
183.
��� Optical Rotatory Dispersion Studies
IX. Intermediates in the Total Synthesis of Steroids.� Allotment of Absolute Configuration by
Rotatory Dispersion Measurements.
Chem.
& Ind., 988 (1956).
by C. Djerassi and W. K1yne.
184.
��� 8-Isotestosterone.
J.
Org. Chem., 21, 1056 (1956).
by
C. Djerassi, H. Bendas and A. Sega1off.
185.
��� The Structure of the Antibiotic
Methymycin.
J.
A. C. S., 78, 6390 (1956).
by
C. Djerassi and J. A. Zderic.
186.
��� The Direct Conversion of Steroidal Δ5-3β-Alcohols
to Δ5- and Δ4-3-Ketones.
J.
Org. Chern., 21, 1547 (1956).
by
C. Djerassi, R. R. Engle and A. Bowers.
187.
��� Alkaloid Studies XV. Casimiroedine.
J.
Org. Chem., 21, 1510 (1956).
by
C. Djerassi, J. Herran, H. N. Khastgir, B. Riniker and J. Romo.
1957
188.
��� Alkaloid Studies XVI. Alkaloids of Rauwolfia
tetraphylla L. The Structure of Tetraphylline and Tetraphyllicine.
J.
A. C. S., 79, 1217 (1957).
by
C. Djerassi, J. Fishman, M. Gorman, J. P. Kutney and C. Pakrashi.
189.
Terpenoids XXVI.� Cactus Triterpenes.
Chapter
in "Festschrift Arthur Stoll" (pp. 330 - 352) Birkh�user, Basel,
1957.
by
C. Djerassi.
190.
��� Alkaloid Studies XVII. The Structure
of the Cactus Alkaloid Pilocereine.
J.
A. C. S., 79, 2203 (1957).
by
C. Djerassi, S. K. Figdor, J. M. Bobbitt and F. X. Markley.
191.
��� Optical Rotatory Dispersion Studies X.
Determination of Absolute Configuration of α-Halo-cyclohexanones.
J.
A. C. S., 79, 1506 (1957).
by C. Djerassi and W. Klyne.
192.
��� The Structure of the Antibiotic
Neomethymycin.
J.
A. C. S., 79, 2022 (1957).
by C. Djerassi and O. Halpern.
193.
��� Studies in Organic Sulfur Compounds
IX. Preparation and Desulfurization of Optically Active
1,1-Diphenyl-3-mercaptopropan-2-ol.
J.
A. C. S., 79, 2553 (1957).
by C. Djerassi and J. Grossman.
194.
��� The Synthesis of 8-Isoprogesterone and
8-Isotestosterone.
Tetrahedron,
1, 22 (1957).
by
C. DjerassI, A. J. Manson and H. Bendas.
195.
��� Terpenoids XXVII. The Structure of the
Cactus Triterpene Myrtillogenic Acid.
J.
A. C. S., 79, 2901 (1957).
by
C. Djerassi and H. G. Monsimer.
196.
��� Terpenoids XXVIII. The Triterpene
Composition of the Genus Myrtillocactus.
J.
A. C. S., 79, 3525 (1957).
by
C. Djerassi, S. Burstein, H. Estrada, A. J. Lemin, A. E. Lippman, A.
Manjarrez and H. G. Monsimer.
197.
��� Terpenoids XXIX. Iresin (part 2).� A New Fundamental Sesquiterpene Skeleton.
J.
A. C. S., 79, 3528 (1957).
by C. Djerassi and W. Rittel.
198.
��� Steric Requirements in the Cyclization
of Naphthalene Derivatives.
J.
Org. Chem., 22, 393 (1957).
by C. Djerassi and G. R. Pettit.
199.
��� Optical Rotatory Dispersion Studies
XI.� Structure et Dispersion Rotatoire.
Bull. Soc. Chim. France, 741
(1957).
by C. Djerassi.
200.
��� The Synthesis of Some
14-Iso-11-Ketosteroids. Stereochemical Course of Chemical and Catalytic
Reduction of a 14β-Δ8-11-Ketosteroid.
J.
A. C. S., 79, 3835 (1957).
by C. Djerassi and G. H. Thomas.
201.
��� Recording and Nomenclature of Optical
Rotatory Dispersion.
Proc.
Chem. Soc., 55 (1957). by C. Djerassi and W. Klyne.
202.
��� Macrolide Antibiotics VI. A Standard of
Absolute Configuration Among Macrolide Antibiotics.
J.
A. C. S., 79, 3926 (1957).
by C. Djerassi and O. Halpern.
203.
��� Optical Rotatory Dispersion Studies
XII.� Absolute Configuration of Eperuic
and Labdanolic Acids.
Tetrahedron,
1, 238 (1957).
by
C. Djerassi and D. Marshall.
204.
��� Alkaloid Studies XVIII.� The Chemistry of Rosewood.� Isolation and Structure of Anibine and
4-Methoxyparacotoin.
J.
A. C. S., 79, 4507 (1957).
by
W. B. Mors, O. R. Gottlieb and C. Djerassi.
205.
��� Terpenoids XXX.� The Structure of the Cactus Triterpene
Chichipegenin.
J.
A. C. S., 79, 4468 (1957).
by
A. Sandoval, A. Manjarrez, P. R. Leeming, G. H. Thomas and C. Dierassi.
206.
��� Terpenoids XXXI.� The Structure and Stereochemistry of
Medicagenic Acid.
J.
A. C. S., 79, 5292 (1957).
by
C. Djerassi, D. B. Thomas, A. L. Livingston and C. R. Thompson.
207.
��� Optical Rotatory Dispersion Studies
XIII. Assignment of Absolute Configuration to Certain Members of the
Guaiano1ide Series of Sesquiterpenes.
J.
Org. Chem., 22, 1361 (1957).
by
C. Djerassi, J. Osiecki and W. Herz.
208.
��� Application of Optical Rotatory
Dispersion Studies to Structural and Stereochemical Problems in Organic
Chemistry.
Abstracts
of the Fifteenth National Organic Chemistry Symposium, Rochester, June 1957,
pp. 12 - 20.
by
C. Djerassi.
209.
��� Alkaloid Studies XIX.� Alkaloids of Some Hawaiian Rauwolfia Species.
The Structure of Sandwicine and its Interconversion with Ajmaline and
Ajmalidine.
Tetrahedron,
1, 328 (1957).
by
M. Gorman, N. Neuss, C. Djerassi, J. P. Kutney and P. J. Scheuer.
1958
210.
��� Terpenoids XXXII. The Structure of the
Cactus Triterpene Treleasegenic Acid.�
Ring Conformational Alterations in a Pentacyclic Triterpene.
J.
A. C. S., 80, 1236 (1958).
by C. Djerassi and J. S. Mills.
211.
��� Optical Rotatory Dispersion Studies
XIV. α-Haloketones (part 2).
J.
A. C. S., 80, 1216 (1958).
by
C. Djerassi, J. Osiecki, R. Riniker and B. Riniker.
212.
��� Alkaloid Studies XX.� Isolation and Structure of Two New Cactus
Alkaloids, Piloceredine and Lophocerine.
Tetrahedron,
2, 58 (1958).
by
C. Djerassi, T. Nakano and J. M. Bobbitt.
213.
��� The Structure of the Cactus Sterol
Lophenol.� A Link in Sterol Biogenesis.
J.
A. C. S., 80, 1005 (1958).
by
C. Djerassi, J. S. Mills and R. Villotti.
214.
��� Recent Advances in the Chemistry of
Steroid Transformation.
Abstract,
First National Medicinal Chemistry Symposium, June 25, 1958, pp. l3a - l3i.
by C. Djerassi.
215.
��� Optical Rotatory Dispersion Studies
XV.� Steroidal Ketols and Cardiac
Aglycones.
Helv.
Chim. Acta, 41, 250(1958).
by
C. Djerassi, O. Halpern, V. Halpern, O. Schindler and C. Tamm.
216.
��� Terpenoids XXXIII.� The Structure and Probable Absolute
Configuration of Cafestol.
J.
A. C. S., 80, 247 (1958).
by
C. Djerassi, M. Cais and L. A. Mitscher.
217.
��� On the Absolute Configuration of the
Antibiotic Actidione.
J. A. C. S., 80, 1261 (1958).
by E. J. Eisenbraun, J. Osiecki and C.
Djerassi.
218. ��� �ber die
Konfiguration des 19-nor-10,14β,17α-Progesterons.
Ann.,
612, 93 (1958).
by
C. Djerassi, M. Ehrenstein and G. W. Barber.
219.
��� Terpenoids XXXIV. Iresin (part
3).� Reactions of the Glycol System.
J.
A. C. S., 80, 1972 (1958).
by
C. Djerassi, F. W. Donovan, S. Burstein and R. Mauli.
220.
��� Steroids XCI.� Microbiological Oxidations of
19-Norprogesterone.
Tetrahedron,
2, 165 (1958).
by
A. Bowers, C. Casas Campillo and C. Djerassi.
221.
��� Alkaloid Studies XXI.� Partial Structure of Casimiroedine.
Tetrahedron,
2, 167 (1958).
by
C. Djerassi, C. Bankiewicz, A. L. Kapoor and B. Riniker.
222.
��� Steroids XCVI. The Synthesis of
Equilin.
J.
A. C. S., 80, 2596 (1958).
by
J. A. Zderic, A. Bowers, H. Carpio and C. Djerassi.
223.
��� Terpenoids XXXV.� The Structure and Absolute Configuration of Iresin.
J.
A. C. S., 80, 2593 (1958).
by C. Djerassi and S. Burstein.
224.
��� Naturally Occurring Oxygen
Heterocyclics� II. Characterization of an
Insecticidal Principle from Mammea americana L.
J.
A. C. S., 80, 3686 (1958).
by
C. Djerassi, E. J. Eisenbraun, B. Gilbert, A. J. Lemin, S. P. Marfey and
M. P. Morris.
225.
��� Optical Rotatory Dispersion
Studies� XVI. Synthesis and Conformation
of Optically Active Octalones and Decalones.
J.
A. C. S., 80, 3986 (1958).
by
C. Djerassi and D. Marshall.
226.
��� Optical Rotatory Dispersion Studies
XVII. Detection of Conformational Alterations.�
Effects of Alkyl Groups and Double Bonds in Polycyclic System.
J.
A. C. S., 80, 4001 (1958).
by
C. Djerassi, O. Halpern, V. Halpern and B. Riniker.
227.
��� Optical Rotatory Dispersion Studies
XVIII.� Demonstration of Conformational
Mobility in 2-chloro-5-methylcyclohexanone.
Tetrahedron,
3, 319 (1958).
by
C. Djerassi and L. E. Geller.
228.
��� Studies in Organic Sulfur
Compounds� X. The Scope of the Raney
Nickel Desulfurization of Cyclic Hemithioketals (1,3-0xathiolanes and
1,3-0xathianes).
J.
A. C. S., 80, 4723 (1958).
by
C. Djerassi, M. Shamma and T. Y. Kan.
229.
��� Macrolide Antibiotics� VII. The Structure of Neomethymycin.
Tetrahedron,
3, 255 (1958).
by
C. Djerassi and O. Halpern.
230.
��� Naturally Occurring Oxygen
Heterocyclics III. The Structure of the Isoflavone Tlatlancuayin.
J.
A. C. S., 80, 5258 (1958).
by
P. Crabbe�, P. R. Leeming and C. Djerassi.
231.
��� Optical Rotatory Dispersion Studies
XIX.� 8-Methylhydrindanones.
J.
A. C. S., 80, 4853 (1958).
by
C. Djerassi, D. Marshall and T. Nakano.
232.
��� Optical Rotatory Dispersion Studies
XX. Transannular Nitrogen-Carbonyl Interaction in Cyclic Aminoketones and
Optical Rotatory Dispersion.
J.
A. C. S., 80, 4858 (1958).
by
N. J. Leonard, J. A. Adamcik, C. Djerassi and O. Halpern.
233.
��� Steroids XCVII. Some Chemical and
Biological Properties of 19-nor-17α-Ethynyltestosterone.
Ann.
N. Y. Acad. Sci., 71, 500 (1958).
by D. A. McGinty and C. Djerassi.�
234.
��� Terpenoids XXXVI. Iresin (part 4).
Isolation and Structure of Three Sesquiterpenes Related to Iresin.
Bull.
Soc. Chim. Belg., 67, 632 (1958).
by
P. Crabbe�, S. Burstein and C. Djerassi.
235.
��� Steroids XCVIII.� Synthesis of Some
10β-Hydroxy-10-norsteroids.
J.
Org. Chem., 23, 1744 (1958).
by
J. Perez Ruelas, J. Iriarte, F. Kincl and C. Djerassi.
236.
��� Steroids XCIX.� Synthesis of Ring B Oxygenated Estrogens.
J.
A. C. S., 80, 6105 (1958).
by
J. Iriarte, H. J. Ringold and C. Djerassi.
237.
��� Steroids C. Synthesis of 19-nor-Δ4-Pregnene-11β,17α,2l-triol-3,20-dione
(19-norhydrocortisone) and Related 19-nor-Adrenal Hormones.
J.
A. C. S., 80, 6110 (1958).
by
A. Zaffaroni, H. J. Ringold, G. Rosenkranz, F. Sondheimer, G. H. Thomas and C.
Djerassi.
238.
��� Research Trends in the Steroid Hormone
Field.
Drug
Trade News, March 1958.
by
C. Djerassi and H. J. Ringold.
239.
��� Steroids CII. Synthesis of 19-norprogesterone
from Estrone.
J.
A. C. S., 80, 6118 (1958).
by
J. S. Mills, H. J. Ringold and C. Djerassi.
240.
��� The Neutral Constituents of the Cactus
Lophocereus schottii. The Structure of Lophenol (4α-methyl-Δ-cholesten-3β-ol).
A Link in Sterol Biogenesis.
J.
A. C. S., 80, 6284 (1958).
by
C. Djerassi, G. W. Krakower, A. J. Lemin, L. H. Liu, J. S. Mills and R.
Villoti.
241.
��� Macrolide Antibiotics VIII.� The Absolute Configuration of Certain Centers
in Neomethymycin, Erythromycin and Related Antibiotics.
Tetrahedron,
4, 369 (1958).
by
C. Djerassi, O. Halpern, D. I. Wilkinson and E. J. Eisenbraun.
242. ��� Steroids CVIII.� A New Class of Potent Cortical Hormones. 6α-Chlorocorticoids.
J. A. C. S., 80, 6464
(1958).
by H. J. Ringold, O. Mancera, C.
Djerassi, A. Bowers, E. Batres, H. Martinez, E. Necoechea, J. Edwards, M.
Velasco, C. Casas Campillo and R. I. Dorfman.
1959
243.
��� Optical Rotatory Dispersion Studies
XXI. Effect of Ring Size.
J.
A. C. S., 81, 237 (1959).
by
C. Djerassi and G. W. Krakower.
244.
��� Steroids CVII. Δ5(6)-19-Nor-Steroids.
A New Class of Potent Anabolic Agents.
J.
A. C. S., 81, 436 (1959).
by
J. Iriarte, C. Djerassi and H. J. Ringold.
245.
��� Steroidal Sapogenins XXXVIII.
Synthesis of Cortisone from Botogenin.
J.
A. C. S., 81, 439 (1959).
by O. Halpern and C. Djerassi.
246.
��� Reaction of the Steroidal Sapogenin
Spiroketa1 System with Ethanedithio1.
J.
Org. Chem., 24, 1 (1959).
by
C. Djerassi, O. Halpern, G. R. Pettit and G. H. Thomas.
247.
��� Optical Rotatory Dispersion Studies
XXII. Detection and Stereochemical Implication of Hemiketa1 Formation.
J. A. C. S., 81, 947 (1959).
by C. Djerassi, L. A.
Mitscher and B. J. Mitscher.
248.
��� Naturally Occurring Oxygen
Heterocyclics� IV. The Methylation of
Pyronones.
J.
A. C. S., 81, 2427 (1959).
by
D. Herbst, W. B. Mors, O. R. Gottlieb and C. Djerassi.
249.
��� Naturally Occurring Oxygen
Heterocyclics V. Mammein.
Tetrahedron
Letters, 1, 10 (1959).
by
C. Djerassi, E. J. Eisenbraun, R. A. Finnegan and B. Gilbert.
250.
��� Alkaloid Studies XXII. The Alkaloids
of Vallesia Dichotoma Ruiz et Pav.
J.
Org. Chem., 24, 314 (1959).
by
J. S. E. Holker, M. Cais, F. A. Hochstein and C. Djerassi.
251.
��� Steroids CXII. Cycloethylene Ketal
Formation of 19-Nor-Δ4-3-Keto Steroids.
J.
A. C. S., 81, 3120 (1959).
by
J. A. Zderic, D. Chavez Limon, H. J. Ringold and C. Djerassi.
252. ��� Steroids
CXIII.� 6-Methyl Estrogens.
J. Org. Chem., 24, 311
(1959).
by
E. Velarde, J. Iriarte, H. J. Ringold and C. Djerassi.
253.
��� Steroids CXVI.
6α-Fluoro-l6α-Methylhydro-cortisone and Related Steroids.
Proc.
Chem. Soc., 87 (1959).
by
J. A. Edwards, A. Zaffaroni, H. J. Ringold and C. Djerassi.
254. ��� Steroids
CXVII. 6α-Fluoro-l6α -Hydroxy Cortical Hormones.
J.
A. C. S., 81, 1264 (1959).
by
J. S. Mills, A. Bowers, C. Casas Campillo, C. Djerassi and H. J.
Ringold.
255.
��� Terpenoids XXXVII. The Structure of
the Pentacyclic Diterpene Cafestol. On the Absolute Configuration of Diterpenes
and Alkaloids of the Phyllocladene Group.
J.
A. C. S., 81, 2386 (1959).
by
C. Djerassi, M. Cais and L. A. Mitscher.
256.
��� Optical Rotatory Dispersion Studies
XXIII.� α-Haloketones (part 3).
J.
A. C. S., 81, 2383 (1959).
by
C. Djerassi, I. Fornaguera and O. Mancera.
257.
��� Research Trends in the Steroid Hormone
Field
Drug
Trade News, March 1959.
by
C. Djerassi and H. J. Ringold.
258.
��� Optical Rotatory Dispersion Studies
XXIV.� Effect of Distance of a Single
Asymmetric Center from an Aliphatic Carbonyl Function.
J.
A. C. S., 81, 2789 (1959).
by C. Djerassi and L. E. Geller.
259.
��� Terpenoids XL. Absolute Configuration
of Eremophi1one.
J.
A. C. S., 81, 2914 (1959).
by
L. H. Zalkow, F. X. Markley and C. Djerassi.
260. ��� Steroids
CXXII.� 6α-Fluoro-16α-Methylcorticoids. Synthesis
and Biological Activity.
J.
A. C. S., 81, 3156 (1959).
by
J. A. Edwards, H. J. Ringold and C. Djerassi.�
261.
��� Terpenoids XXXVIII. Interconversion of
Eremophilone, Hydroxyeremophilone and Hydroxydihydroeremophilone. The Relative
Stereochemistry of Eremophi1one and its Reduction Products.
J.
A. C. S., 81, 3424 (1959).
by
C. Djerassi, R. Mauli and L. H. Zalkow.
262.
��� Steroids CXVIII.� 6-Methyl Derivatives of
17α-Hydroxyprogesterone and of Reichstein's Substance "S".
J.
A. C. S., 81, 3712 (1959).
by
H. J. Ringold, J. Perez Ruelas, E. Batres and C. Djerassi.
263.
��� Steroids CXIX. The Preparation of Some
Vicinal Glycols in the Cortical Hormone Series.
J.
Org. Chem., 24, 909 (1959).
by
J. A. Zderic, H. Carpio and C. Djerassi.
264.
��� Optical Rotatory Dispersion Studies
XXV.� Effect of Carbonyl Groups in
Pentacyclic Triterpenes.
J.
A. C. S., 81, 4587 (1959).
by
C. Djerassi, J. Osiecki and W. Closson.
265.
��� Plant Steroids and Related Substances.
Fourth
International Congress of Biochemistry (Vienna, 1958), Vol. IV, pp. 1 - 19,
Pergamon Press, Ltd. (London, 1959).
by
C. Djerassi.
266.
��� Optical Rotatory Dispersion Studies
XXX. Demonstration of Boat Form in a 3-Keto Steroid.
J.
A. C. S., 81, 4997 (1959).
by
C. Djerassi, N. Finch and R. Mauli.�
267.
��� Optical Rotatory Dispersion Studies
XXXI.
Anomalous Dispersion Curves of Dithiocarbamates of α-Amino Acids and
Peptides. Stereochemical Correlations Between α-Hydroxy and α-Amino
Acids.
J.
A. C. S., 81, 5002 (1959).
by
B. Sj�berg, A. Fredga and C. Djerassi.
268.
��� Optical Rotatory Dispersion Studies
XXXII.
Some Recent Applications of Optical Rotatory Dispersion Studies to Organic
Chemical Problems.
Rec.
Chem. Prog., 20, 101 - 145 (1959).
by C. Djerassi.�
269.
��� Naturally Occurring Oxygen Heterocyclics
VI. 4-Phenyl-5,7-dihydroxy-6-isovaleryl-8-isopen-tenylcoumarin.
Tetrahedron
Letters, 13, 11 - 15 (1959).
by R. A. Finnegan and C. Djerassi.
270.
��� The Structure of Julocrotine.
Tetrahedron
Letters, 14, 8 - 12 (1959).
by
T. Nakano, C. Djerassi, R. A. Corral and O. O. Orazi.
271.
��� Steroids CXXIII.� 19-Nor-6-methylandrostane Derivatives.
J.
A. C. S., 81, 4566 (1959).
by
R. Villotti, C. Djerassi and H. J. Ringold.
272.
��� Optical Rotatory Dispersion Studies
XXVIII. The Absolute Configuration of the Sesquiter-penoid Petasin.
Helv.
Chim. Acta, 42, 1785 (1959).
by A. Aebi and C. Djerassi.
273.
��� Optical Rotatory Dispersion Studies
XXIX.
Absolute Configuration of Phytol.
Proc.
Chem. Soc., 264 (1959).
by
P. Crabbe�, C. Djerassi, E. J. Eisenbraun and S. Liu.
274.
��� Terpenoids XXXIX.� Iresin (part 5). Complete Structure and
Absolute Configuration.
Tetrahedron,
7, 37 (1959).
by
C. Djerassi and S. Burstein.
275.
��� The Constitutions of Dammarenolic and
Nyctan-thic Acids.
Proc.
Chem. Soc., 306 (1959).
by
A. Arigoni, D. H. R. Barton, R. Bernas-coni, C. Djerassi, J. S. Mills
and R. Wolff.
276.
��� Macrolide Antibiotics IX.� Filipin.
Proc.
Chem. Soc., 316 (1959).
by
B. Berkoz and C. Dierassi.
277.
��� The Absolute Configuration of
Rosenonolactone and Related Diterpenoids.
J.
A. C. S., 81, 5520 (1959).
by
W. B. Whalley, B. Green, D. Arigoni, J. J. Britt and C. Djerassi.
1960
278.
��� Steroids CXXX. Synthesis of
12β-Hydroxypred-niso1one-11β,12β-Acetonide 21-Acetate.
J.
A. C. S., 82, 446 (1960).
by
J. A. Zderic, H. Carpio and C. Djerassi.
279.
��� Optical Rotatory Dispersion Studies
XXVI.� α-Ha1oketones (part 4).
J.
Org. Chem., 25, 1 (1960).
by C. Djerassi, L. E. Geller
and E. J. Eisenbraun.
280.
��� Optical Rotatory Dispersion Studies
XXVII.
Quantitative Studies of an α-Haloketone by the Rotatory Dispersion Method.
J.
Org. Chem., 25, 6 (1960).
by
N. L. Allinger, J. Allinger, L. E. Geller and C. Djerassi.
281.
��� Steroids CXXXIV. Derivatives of
17α-Ethynyl- testosterone and 17α-Ethynyl-19-nortestosterone.
J.
A. C. S., 82, 1230 (1960).
by
L. Knox, J. A. Zderic, J. Perez Ruelas, C. Djerassi and H. J. Ringold.
282.
��� Terpenoids XLI. The Constitutions of
Dam-mareno1ic and Nyctanthic Acids.
J.
Chem. Soc., 1900 (1960).
by
D. Arigoni, D. H. R. Barton, R. Bernasconi, C. Djerassi, J. S. Mills and
R. E. Wolff.
283.
��� Alkaloid Studies XXIII.� Isolation of 4 New Aspidosperma
Alkaloids: Cy1indrocarpine, Refractine, Pyrifo1ine and Pyrifo1idine.
Experientia,
16, 61 (1960).
by
B. Gilbert, L. D. Antonaccio, A. A. P. G. Archer and C. Djerassi.
284.
��� Optical Rotatory Dispersion Studies
XXXIII.� α-Ha1oketones (part 6). Trans-2-bromo-5-t-buty1cyc1ohexanone.
J.
Org. Chem., 25, 917 (1960).
by
C. Djerassi, E. Warawa, R. E. Wolff and E. J. Eisenbraun.
285.
��� Steroids CXXXVI. Synthesis of a New
Class of Potent Cortical Hormones. 6α-Fluoro-and 6α,
9α-Difluoro-16α-methylprednisolone and Related Steroids.
J.
A. C. S., 82, 2318 (1960).
by
J. A. Edwards, H. J. Ringold and C. Djerassi.
286.
��� Optical Rotatory Dispersion Studies
XXXIV.� The Relative Stabilities of cis
and trans Isomers (VIII). Kinetic and Equilibrium Measurements of Some
Substituted Hydrindanones.
J.
Org. Chem., 25, 922 (1960).
by
N. L. Allinger, R. B. Hermann and C. Djerassi.
287.
��� Optical Rotatory Dispersion Studies
XXXV.� On the Conformation of Substituted
Cyclopen-tanones. Rotatory Dispersion and Spectral Data of Some Steroidal α-Halocyclopentanones.
Experientia,
16, 138 (1960).
by J. Fishman and C. Djerassi.
288.
Steroids CXXXVII.� Synthesis of a New
Class of Potent Cortical Hormones.
6α,9α-Difluoro-l6α-hydroxyprednisolone and its Acetonide.
J.
A. C. S., 82, 3399 (1960).
by
J. S. Mills, A. Bowers, C. Djerassi and H. J. Ringold.
289.
��� Steroids CXLIV. Synthesis of Some
6α,17α-Dihaloprogesterones.
J.
Org. Chem., 25, 1056 (1960).
by
J. S. Mills, O. Candiani and C. Djerassi.
290.
��� Terpenoids XLII. The Absolute
Configuration of (-)-Methylisopulegone.
J.
A. C. S., 32, 3476 (1960).
by
E. J. Eisenbraun, F. Burian, Jeanne Osiecki and C. Djerassi.
291.
��� Terpenoids XLIII. On the Absolute
Configuration of Guaiol. Correlation with Nepetalinic Acid.
J.
A. C. S., 82, 3648 (1960).
by
E. J. Eisenbraun, T. George, B. Riniker and C. Djerassi.
292.
��� Terpenoids XLIV. Synthetic
Confirmation of the Structure and Absolute Configuration of Petasin.
J.
A. C. S., 82, 4337 (1960).
by D. Herbst and C. Djerassi.
293.
��� Terpenoids XLV. Further Studies on the
Structure and Absolute Configuration of Cafestol.
J.
A. C. S., 82, 4342 (1960).
by
R. A. Finnegan and C. Djerassi.
294.
��� Optical Rotatory Dispersion Studies
XXXIX.� Configuration and Optical
Rotatory Dispersion of Atropisomeric Biaryls.
J.
A. C. S., 82, 4740 (1960).
by
K. Mislow, M. A. W. Glass, R. E. O'Brien, P. Rutkin, D. H. Steinberg and C.
Djerassi.
295.
��� Optical Rotatory Dispersion Studies
XL.� The Absolute Configuration of
Biaryls by Rotatory Dispersion Comparison with a Sesquiterpene.
J.
A. C. S., 82, 5247 (1960).
by K. Mislow and C. Djerassi.
296.
��� Macrolide Antibiotics X.� The Biosynthesis of Methymycin.
Chem.
& Ind., 1245 (1960).
by
A. J. Birch, E. Pride, R. W. Rickards, P. J. Thompson, J. D. Dutcher, D.
Perlman and C. Djerassi.
297.
��� Optical Rotatory Dispersion Studies
XXXVI. α�Haloketones (part 7). Demonstration of Boat Form in the
Bromination of 2α-Methylcholestanone.
J.
A. C. S., 82, 5488 (1960).
by
C. Djerassi, N. Finch, R. C. Cookson and C. W. Bird.
298.
��� Steroids CXLV. 2-Methylandrostane
Derivatives Demonstration of Boat Form in the Bromination of
2α-Methylandrostan-17β-ol-3-one.
J.
A. C. S., 82, 5494 (1960).
by
R. Mauli, H. J. Ringold and C. Djerassi.�
299.
��� Optical Rotatory Dispersion Studies
XXXVII.� Steroids CXLVI. On the Mechanism
and Stereo-chemical Course of the Bromination of 3-Keto Steroids and Their Enol
Acetates.
J.
A. C. S, 82, 5693 (1960).
by
R. Villotti, H. J. Ringold and C. Djerassi.
300.
��� Optical Rotatory Dispersion Studies
XLIII.� Absolute Configurational
Assignment of α-Substituted Carboxylic Acids by Anomalous Rotatory
Dispersion of Their Acylthiourea Deriva-times.
J.
A. C. S., 82, 5755 (1960).
by C. Djerassi and K. Undheim.
301.
��� Bromination of 2-0xo-Steroids.
Chem.
& Ind., 1385 (1960).
by C. Djerassi and T. Nakano.
302.
��� Optical Rotatory Dispersion Studies
XLIV.� Anomalous Rotatory Dispersion
Curves of Olefin Derivatives. Osmate Esters.
J.
A. C. S., 82, 5953 (1960).
by
E. Bunnenberg and C. Djerassi.
303.
��� Alkaloid Studies XXV.� The Structures of the Aspidosperma Alkaloids
Cylindrocarpine and Cylindrocarpidine.
Experientia,
16, 532 (1960).
by
C. Djerassi, A. A. P. G. Archer, T. George, B. Gilbert, J. N. Shoolery
and L. F. Johnson.
304.
��� Terpenoids XLVIII. The Absolute
Configuration of Eremophilone and Related Sesquiterpenes.
J.
A. C. S., 82, 6354 (1960).
by
L. H. Zalkow, F. X. Markley and C. Djerassi.
305.
��� Naturally Occurring Oxygen
Heterocyclics VII.
The Structure of Mammein.
J.
Org. Chem., 25, 2164 (1960).
by
C. Djerassi, E. J. Eisenbraun, R. A. Finnegan and B. Gilbert.
306.
��� Naturally Occurring Oxygen
Heterocyclics VIII.
Synthesis of Some Coumarins Related to Mammein.
J.
Org. Chem., 25, 2169 (1960).
by
R. A. Finnegan, B. Gilbert, E. J. Eisen�braun and C. Djerassi.
307.
��� Naturally Occurring Oxygen
Heterocyclics IX.
Isolation and Characterization of Genipin.
J.
Org. Chem., 25, 2174 (1960).
by
C. Djerassi, J. D. Gray and Fred A. Kincl.
1961
308.
��� Chiapagenin and Isochiapagenin. Two
New Steroidal Sapogenins from Dioscorea Chiapasensis.
J.
Org. Chem., 26, 155 (1961).
by
I. T. Harrison, M. Velasco and C. Djerassi.
309.
��� Terpenoids XLVI.� Copalic Acid.
J.
Org. Chem., 26, 167 (1961).
by T. Nakano and C. Djerassi.
310.
��� Optical Rotatory Dispersion Studies
XLI.� α-Haloketones (part 9).
Bromination of Optically Active cis-l-Decalone.� Demonstration of Conformational Mobility by
Rotatory Dispersion.
J.
A. C. S., 83, 736 (1961).
by
C. Djerassi and J. Staunton.
311.
��� Alkaloid Studies XXVII. The Structure
of Skytanthine.
Chem.
& Ind., 210 (1961).
by
C. Djerassi, J. P. Kutney, M. Shamma, J. N. Shoolery and L. F. Johnson.
312.
��� Optical Rotatory Dispersion Studies
XLV.
Demonstration of Conformational Mobility in an α-Hydroxycyclohexanone.
Chem.
& Ind., 258 (1961).
by
C. Djerassi, R. Records and B. Bach.
313.
��� Alkaloid Studies XXIX. On the Absolute
Configuration of the Diterpene Alkaloids Related to Veatchine and Atisine.
Tetrahedron
Letters, 119 (1961).
by H. Vorbrueggen and C. Djerassi.
314.
��� Steroids CLVI.� Ring D Unsaturated l6-Methylated
Corticosteroids.
J.
Org. Chern., 26, 871 (1961).
by
E. Batres, T. Cardenas, J. A. Edwards, G. Monroy, O. Mancera, C. Djerassi
and H. J. Ringold.
315.
��� Optical Rotatory Dispersion Studies
LII.� Determination of the Absolute
Configuration of Jatamansone (Valeranone) by the Axial α-Haloketone Rule.
Tetrahedron
Letters, 237 (1961).
by
C. Djerassi, T. R. Govindachari, B. R. Pai and K. K. Purushothaman.�
316.
��� Naturally Occurring Oxygen
Heterocyclics X. 4-Phenyl-5,7-Dihydroxy-6-Isova1eryl-8-Isopentenylcourmarin.
J.
Org. Chem., 26, 1180 (1961).
by
R. A. Finnegan, M. P. Morris and C. Djerassi.
317.
��� Alkaloid Studies XXIV.� Structure of Julo-crotine.
J.
Org. Chem., 26, 1184 (1961).
by
T. Nakano, C. Djerassi, R. A. Corral and O. O. Orazi.
318.
��� Terpenoids XLVII. The Structure of Genipin.
J.
Org. Chern., 26, 1192 (1961).
by
C. Djerassi, T. Nakano, A. N. James, L. H. Za1kow, E. J. Eisenbraun and
J. N. Shoo1ery.
319.
��� Alkaloid Studies XXVIII.� Structure of the Alkaloid Arborinine.
Chem.
& Ind., 464 (1961).
by
S. C. Pakrashi, S. K. Roy, L. F. Johnson, T. George and C. Djerassi.
320.
��� Alkaloid Studies XXVI. The
Constitution of PYrifo1idine.
Experientia,
17, 162 (1961).
by
C. Djerassi, B. Gilbert, J. N. Shoo1ery, L. F. Johnson and K. Biernann.
321.
��� Optical Rotatory Dispersion Studies
XXXVIII.
The Relative Stereochemistry of the Rotenoids.
J.
Chem. Soc., 1448 (1961).
by
C. Djerassi, W. D. Ollis and R. C. Russell.
322.
��� Optical Rotatory Dispersion Studies
XLVIII.
The Nitroso Chrornophore.
J.
A. C. S., 83, 2307 (1961).
by
C. Djerassi, E. Lund, E. Bunnenberg and B. Sj�berg.
323.
��� Steroids and Terpenoids from Different
Iresin Species.
Bull.
Soc. Chim. Be1g., 70, 168 (1961).
by
P. Crabbe�, E. A. Azpeitia and C. Djerassi.
324.
��� Optical Rotatory Dispersion Studies
XLII.� Disulfides and Diselenides.
Acta
Chem. Scand., 15, 417 (1961).
by
C. Djerassi, A. Fredga and B. Sj�berg.
325.
��� Steroidal Sapogenins XL. Reaction of
12-oxo-sapogenins with Selenium Dioxide: Synthesis of 3β~-Hydroxypregna-5,9(11),16-triene-20-one
from Botogenin.
J.
Chem. Soc., 1859 (1961).
by
A. Bowers, E. Denot, M. B. Sanchez, F. Neumann and C. Djerassi.
326.
��� Optical Rotatory Dispersion Studies
LIV.
Optical Rotatory Dispersion.
Endeavour,
20, 138 (1961).
by C. Djerassi.
327.
��� Optical Rotatory Dispersion Studies
LIII. A Generalization of the Octant Rule.
J.
A. C. S., 83, 2771 (1961).
by
K. Mislow, M. A. W. Glass, A. Moscowitz and C. Djerassi.
328.
��� Optical Rotatory Dispersion Studies
XLVII.
Application of Anomalous Optical Rotatory Dispersion to Organic Chemical
Problems.
Tetrahedron,
13, 13 (1961).
by C. Djerassi.
329.
��� Alkaloid Studies XXXI. A Direct
Correlation of the Diterpene Alkaloids and Hydrocarbons of the Phyllocladene
Group. Interconversion of Garryfoline and Steviol.
J.
A. C. S., 83, 3163 (1961).
by
E. Mosettig; P. Quitt, U. Beg1inger, J. A. Waters, H. Vorbrueggen and C.
Djerassi.
330.
��� Optical Rotatory Dispersion Studies
LV.� Application of Optical Rotatory
Dispersion Studies to Problems in Natural Products Chemistry.
Pure
and App1. Chem., 2, 475 (1961).
by
C. Djerassi.
331.
��� Optical Rotatory Dispersion Studies
LVII.� The Octant Rule and the t-Butyl
Group.� Evidence for a Twist Form in cis-t-Butyl-5-methylcyclo-
hexanone.
J.
A. C. S., 83, 3334 (1961).
by
C. Djerassi; E. J. Warawa, J. M. Berdahl and E. J. Eisenbraun.
332.
��� Optical Rotatory Dispersion Studies
LX.� Optical Rotatory Dispersion.
Science,
134, 649 (1961).
by C. Djerassi.
333.
��� Terpenoids L.
Cycloart-23-ene-3β,25-diol: A New Cyclopropane-containing Triterpene from
Spanish Moss.
Chem.
& Ind., 1311 (1961).
by
R. McCrindle and C. Djerassi.
334.
��� Optical Rotatory Dispersion Studies
LVIII.
The Complete Absolute Configuration of Steviol, Kaurene and the Diterpene Alkaloids
of the Garryfoline and Atisine Groups.
J.
A. C. S., 83, 3720 (1961).
by
C. Djerassi, P. Quitt, E. Mosettig, R. C. Cambie, P. S. Rutledge and L.
H. Briggs.
335.
��� Optical Rotatory Dispersion Studies
XLIX.� Anomalous Rotatory Dispersion of
Optically Active Terpene Trithiones.
Chem.
Ber., 94, 2305 (1961).
by
C. Djerassi and A. L�ttringhaus.
336.���� Optical Rotatory Dispersion Studies L.� The Conformers of trans-2-Chloro-5-methylcyclo-hexanone.
J.
Org. Chem., 26, 3521 (1961).
by
J. Allinger, N. L. Allinger, L. E. Geller and C. Djerassi.
337.���� Macrolide Antibiotics XI.� The Structure of the Macrolide Antibiotic
Filipin.
Tetrahedron
Letters, 383 (1961).
by
C. Djerassi, M. Ishikawa, H. Budzikiewicz, J. N. Shoolery and L. F.
Johnson.
338.
��� Optical Rotatory Dispersion Studies
XLVI.
Stereochemical Assignments through Anomalous Rotatory Dispersion Curves of
α-Aminoacid Derivatives. 3-Phenyl-2-thiohydantoins and
α-thionocarbethoxy Amino Acids.
Acta
Chem. Scand., 15, 903 (1961).
by
C. Djerassi, K. Undheim, R. C. Sheppard, W. G. Terry and B. Sj�berg.
339.
��� Structure and the Optical Rotatory
Dispersion of Saturated Ketones.
J.
A. C. S., 83, 4013 (1961).
by
W. Moffitt, R. B. Woodward, A. Moscowitz, W. Klyne and C. Djerassi.
340.
��� Terpenoids XLIX.� Preparation of Optically Active
Polyalkylcyclohexanones from (+)-Pu1egone, (-)-Menthone and (-)-Carvone.
J.
A. C. S., 83, 4433 (1961).
by
C. Djerassi; J. Osiecki and E. J. Eisenbraun.
341.
��� Optical Rotatory Dispersion Studies
LIX.� The Octant Rule and Deuterium.
Synthesis of 3-Deuteriocyclopentanone.
J.
A. C. S., 83, 4609 (1961).
by C. Djerassi and B. Tursch.
342.
��� Optical Rotatory Dispersion Studies
LI.� Absolute Configurational Assignments
of α-Amino Acids and Peptides through Anomalous Rotatory Dispersion of
N-phtha1oyl Derivatives.
J.
Org. Chem., 26, 4509 (1961).
by
C. Djerassi, E. Lund, E. Bunnenberg and J. C. Sheehan.
343.
��� Optical Rotatory Dispersion Studies
LVI.� Thiones.
J.
Org. Chem., 26, 4675 (1961).
by C. Djerassi and D. Herbst.
344.
��� Optical Rotatory Dispersion Studies
LXI.� Optical Rotatory Dispersion and
Spectral Data of Some Steroidal Ring D Ketol Acetates of the 14β Series.
Experientia,
17, 565 (1961).
by
C. Djerassi, J. Fishman and T. Nambara.
345.
��� The Structure of the Cactus Sterol
Peniocerol.
Proc.
Chem. Soc., 450 (1961).
by
C. Djerassi, R. D. H. Murray and R. Villotti.
346.
��� Alkaloid Studies XXX.� Isolation and Constitution of Three New Aspidosperma
Alkaloids: Cylindrocarpine, Cylindrocarpidine and Pyrifolidine.
Tetrahedron,
16, 212 (1961).
by
C. Djerassi, A. A. P. G. Archer, T. George, B. Gilbert and L. D.
Antonaccio.
347.���� Optical Rotatory Dispersion Studies. LXII.
Configurational Assignments Among the Aporphine Alkaloids.
Experientia,
18, 53 (1962)
by
C. Djerassi, K. Mislow and M. Shamma.
348.���� Optical Rotatory Dispersion Studies. LXIII.
Halogen Atoms and the Octant Rule.
Chem.
Ind., 177 (1962)
by C. S. Barnes and C. Djerassi.
349.���� Steroids. CLXXVII. New Approaches to C-11
Oxygenated 19-Norpregnones.
J.
Org. Chem., 27, 361 (1962)
by
A. Bowers, J. S. Mills, C. Casas�Campillo and C. Djerassi.
350.���� Alkaloid Studies. XXXII. Studies on
Skytanthus Acutus. The Structure of the Monoterpenoid Alkaloid Skytanthine.
Tetrahedron,
18, 183 (1962)
by
C. Djerassi, J. P. Kutney and M. Shamma.
351.���� Mass Spectrometry in Structural and
Stereochemical Problems. IV. Vindolinine.
Proc.
Natl. Acad. Sci. U.S., 48, 113 (1962)
by
C. Djerassi, S. E. Flores, H. Budzikiewicz,
J. M. Wilson, L. J. Durham, J. LeMen,
M.-M.
Janot, M. Plat, M. Gorman and N. Neuss.
352.���� Optical Rotatory Dispersion. LXIX. The
Absolute Configuration of the 2-Methylcyclohexanols and Some Observations on a
Twist Form in the Conformational Equilibrium of 2-Methylcyclohexanone.
J.A.C.S.,
84, 874 (1962)
by
C. Beard, C. Djerassi, T. Elliott and R. C. C. Tao.
353.���� Optical Rotatory Dispersion Studies.� LXXII. Inherently Dissymmetric Chromophores.
Optical Rotatory Dispersion of α,β-unsaturated Ketones and
Conformational Analysis of Cyclohexenones.
J.A.C.S.,
84, 870 (1962)
by
C. Djerassi, R. Records, E. Bunnenberg,
K.
Mislow and A. Moscowitz.
354.���� Studies in Organic Sulfur Compounds.
XI.� On the Reaction of Enamines with Hydrogen
Sulfide.
J.
Org. Chem., 27, 1041 (1962)
by
C. Djerassi and B. Tursch.
355.���� Studies in Organic Sulfur Compounds. XII.
Preparation of Inaccessible Enamine Amides by Desulfurization of Thiazolidines
and Thiazolidinones.
J.
Org. Chem., 27, 1112 (1962)
by
C. Djerassi, N. Crossley and M. A. Kielczewski.
356.���� Mass Spectrometry in Structural and
Stereochemical Problems. II. Pyrifoline and Refractidine.
Tetrahedron
Letters, 59 (1962)
by B. Gilbert, J. M. Ferreira, R. J. Oweller,
C.
E. Swanholm, H. Budzikiewicz, L. J. Durham and C. Djerassi.
357.���� Mass Spectrometry in Structural and
Stereochemical Problems. III. Spegazzinine and Spegazzinidine.
Experientia,
18, 113 (1962)
by C. Djerassi, H. W. Brewer, H. Budzikiewicz, O. O. Orazi and R. A. Corral.
358.���� Optical Rotatory Dispersion Studies. LXIV.
Detection of Conformational Changes Caused by Equatorial Methyl Groups.
J.A.C.S.,
84, 1249 (1962)
by
C. Djerassi, E. Lund and A. A. Akhrem.
359.���� Steroids. CXCI. Some Reactions of a
6-Methyl-Δ5-3β- Hydroxy Steroid System.
J.
Org. Chem., 27, 1139 (1962)
by
J. Iriarte, J. N. Shoolery and C. Djerassi.
360.���� Optical Rotatory Dispersion Studies. LXV.
Differentiation of Epimeric Steroidal Alcohols by Anomalous Rotatory
Dispersion. Some Observations on the Nitrite Chromophore.
J.
Org. Chem., 27, 1173 (1962)
by
C. Djerassi, I. T. Harrison, O. Zagneetko and A. L. Nussbaum.
361.���� Optical Rotatory Dispersion Studies.
LXVIII. Configuration, Conformation and Rotatory Dispersion of Optically Active
Biaryls.
J.A.C.S.,
84, 1455 (1962)
by
K. Mislow, M. A. W. Glass, R. E. O'Brien, P. Rutkin, D. M. Steinberg, J. Weiss
and C. Djerassi.
362.���� Mass Spectrometry in Structural and
Stereochemical Problems. I. Steroid Ketones.
J.A.C.S.,
84, 1430 (1962)
by H. Budzikiewicz and C. Djerassi.
363.���� Mass Spectrometry in Structural and
Stereochemical Problems. V. Refractine and Aspidefractine.
J.A.C.S.,
84, 1499 (1962)
by C. Djerassi, T. George, N. Finch, H. F. Lodish, H. Budzikiewicz and B.
Gilbert.
364.���� Steroids. CLXXII. Factors Controlling the
Direction of Enol Acetylation of 3-Oxo-steroids.
J.
Chem. Sac., 1323 (1962)
by B. Berkoz, E. P. Chavez and C. Djerassi.
365.���� Naturally Occurring Oxygen Heterocyclics.
XI. Veraguensin.
J.
Chem. Soc., 1459 (1962)
by N. S. Crossley and C. Djerassi.
366.���� Recent Applications of Optical Rotatory
Dispersion to Organic Chemistry.
Chemistry
(Taiwan), No. 4, 249-254 (1961)
by
C. Djerassi.
367.���� Mass Spectrometry in Structural and
Stereochemical Problems. VII. Vincadifformine (Alcaloides des Pervenches).
Tetrahedron
Letters, 235 (1962)
by C. Djerassi, H. Budzikiewicz, J. M. Wilson, J. Gosset, J. LeMen and M.-M.
Janot.
368.���� Optical Rotatory Dispersion Studies. LXVI.
Optical Rotatory Dispersion Associated with Dissymmetric Non-Conjugated
Chromophores. An Extension of the Octant Rule.
J.A.C.S.,
84, 1945 (1962)
by A.
Moscowitz, K. Mislow, M. A. W. Glass and C. Djerassi.
369.���� Optical Rotatory Dispersion Studies. LXXI.
Halogen Atoms and the Octant Rule. The Conformations of Some
5α�Halocholestan-3�ones.
J.A.C.S.,
84, 1962 (1962)
by C. S. Barnes and C. Djerassi.
370.���� Mass Spectrometry in Structural and
Stereochemical Problems. VIII. Unsaturated Pectacyclic Triterpenoids.
Tetrahedron
Letters, 263 (1962)
by C. Djerassi, H. Budzikiewicz and J. M. Wilson.
371.���� Mass Spectrometry in Structural and
Stereochemical Problems. IX. Tabersonine.
Tetrahedron
Letters. 271 (1962)
by M. Plat, J. LeMen, M.�M. Janot, J. M. Wilson, H. Budzikiewicz, L. J. Durham,
Y. Nakagawa, and C. Djerassi.
372.���� A New Route to 1�Oxygenated Steroids.
J.
Org. Chem., 27, 2205 (1962)
by C. Djerassi, D. H. Williams and B. Berkoz.
373.���� Alkaloid Studies. XXXIII. Mass Spectrometry
in Structural and Stereochemical Problems. VI. Polyneuridine, A New Alkaloid
from Aspidosperma Polynauron and Some Observations on Mass Spectra of Indole
Alkaloids.
J.A.C.S.,
84, 2161 (1962)
by L. D. Antonaccio, N. A. Pereira, B. Gilbert, H. Vorbrueggen, H.
Budzikiewicz, J. M. Wilson, L. J. Durham and C. Djerassi.
374.���� Optical Rotatory Dispersion Studies. LXXV.
Optical Rotatory Dispersion and the Twist Conformation of Cyclohexanones.
Proc.
Natl. Acad. Sci. U.S., 48, 1093 (1962)
by C. Djerassi and W. Klyne.
375.���� Alkaloid Studies. XXIIV. Structure of the
Alkaloid Casimiroedine.
Tetrahedron
Letters, 357 (1962)
by S. Raman, J. Reddy, W. N. Lipscomb, A. L. Kapoor and C. Djerassi.
376.���� Optical Rotatory Dispersion Studies. LXVII.
Stereochemistry of the Isomeric Isopulegones. Preparation of (+)�Isopulegone by
Thermal Isomerization of (+)�Pulegone.
Ber.,
95, 1400 (1962)
by
G. Ohloff, J. Osiecki and C. Djerassi.
377.���� Mass Spectrometry in Structural and
Stereochemical Problems. X. Structure of Mossambine.
Bull.
Soc. Chim. France, 1088 (1962)
by X. Monseur, R. Goutarel, J. LeMen, J. M. Wilson, H. Budzikiewicz and C.
Djerassi.
378.���� Mass Spectrometry in Structural and
Stereochemical Problems. XII. Structure of Vincamine and 1l�Methoxyvincamine.
Bull.
Soc. Chim. France, 1082 (1962)
by M. Plat, D. D. Mann, J. LeMen, M.�M. Janot, H. Budzikiewicz, J. M. Wilson,
L. J. Durham and C. Djerassi.
379.���� Studies in Organic Sulphur Compounds. XIII.
Lithium Aluminum Hydride Reduction of Episulphides to Olefins.
Chem.
Ind., 1236 (1962)
by D. A. Lightner and C. Djerassi.
380.���� Optical Rotatory Dispersion Studies. LXXVI.
Inherently Dissymmetric Chromophores and Circular Dichroism.
J.A.C.S.,
84, 2823 (1962)
By E. Bunnerberg, C.
Djerassi, K. Mislow and A. Moscowitz.
381.���� Alkaloid Studies. XXXV. The Structures of
Stemmadenine and Condylocarpibe.
Tetrahedron
Letters, 409 (1962)
by A.
Sandoval, F. Walls, J. N. Shoolery, J. M. Wilson, H. Budzikiewicz and C.
Djerassi.
382.���� Alkaloid Studies. XXXVI. The Complete
Absolute Configuration of the Diterpene Alkaloids of the Garrya and Atisine
Groups and their Direct Correlation with the Phyllocladene�type Diterpenes.
J.A.C.S.,
84, 2990 (1962)
by H. Vorbrueggen and Carl Djerassi.
383.���� Alkaloid Studies. XXXVIII. Pilocereine�A
Trimeric Cactus Alkaloid.
J.A.C.S.,
84, 3210 (1962)
by C. Djerassi, H. W. Brewer, C. Clarke and L. J. Durham.
384.���� Optical Rotatory Dispersion Studies. LXX.
Anomalous Rotatory Dispersion of Xanthates: Application to Stereochemical
Studies of Alcohols.
Acta
Chem. Scand., 16, 1079 (1962)
by B. Sjoberg, D. J. Cram, L. Wolf and C. Djerassi.
385.���� Optical Rotatory Dispersion Studies.
LXXIII. Anomalous Rotatory Dispersion Curves Associated with Acylthioureas.
Application to Stereochemical Studies of α�Substituted Carboxylic Acids.
Acta
Chem. Scand., 16, 1147 (1962)
by C. Djerassi, K. Undheim and A.�M. Weidler.
386.���� Mass Spectrometry in Structural and
Stereochemical Problems. XIII. Echitamidine.
Tetrahedron
Letters, 653 (1962)
by C. Djerassi, Y. Nakagawa, H. Budzikiewicz, J. M. Wilson, J. LeMen, J.
Poisson and M.�M. Janot.
387.���� Alkaloid Studies. XXXVII. The Structure of
Aspidofiline.
Experientia,
18, 397 (1962)
by C. Djerassi, R. J. Owellen, J. M. Ferreira and L. D. Antonaccio.
388.���� Mass Spectrometry in Structural and
Stereochemical Problems. XI. The Structures of the Aspidosperma Alkaloids
Spegazzinine and Spegazzinidine.
J.A.C.S.,
84, 3480 (1962)
by
C. Djerassi, H. W. Brewer, H. Budzikiewicz, O. O. Orazi and R. A. Corral.
389.���� Terpenoids. LI. Isolation of Some New
Cyclopropane-containing Triterpenes from Spanish Moss (Tillandsia� Usneoides).
J.
Chem. Soc., 4034 (1962)
by
C. Djerassi and R. McCrindle.
390.���� Alkaloid Studies. XL. The Alkaloids of
Aspidosperma Limae Woodson: Aspidolimidine, Aspidolimine, Demethoxypalosine and
Aspidoccrpine
Chem.
Ind., 1949 (1962)
by B. Gilbert, J. A. Brissolese, J. M. Wilson, H. Budzikiewicz, L. J. Durham
and C. Djerassi.
391.���� Alkaloid Studies. XLI. The Constitution of
Lochneridine.
Chem.
Ind., 1986 (1962)
by Y. Nakagawa, J. M. Wilson, H. Budzikiewicz and C. Djerassi.
392.���� Optical Rotatory Dispersion Studies. LXXIV.
Application of the Octant Rule to Some Structural and Stereochemical Problems.
J.
Chem. Soc., 4929 (1962)
by C. Djerassi and W. Klyne.
393.���� Mass Spectrometry in Structural and
Stereochemical Problems. XV. Steroidal Sapogenins.
Monatsh.,
93, 1033 (1962)
by H. Budzikiewicz, J. M. Wilson and C. Djerassi.
394.���� Mass Spectrometry in Structural and
Stereochemical Problems. XVI. The Structure of the Aspidosperma Alkaloid Aspidcalbine.
Tetrahedron
Letters, 1001 (1962)
by C. Djerassi, L. D. Antonaccio, H. Budzikiewicz, J. M. Wilson and E. Gilbert.
395.���� Mass Spectrometry in Structural and
Stereochemical Problems. XIV. Steroids with One or Two Aromatic Rings.
J.A.C.S.,
84, 4544 (1962)
by C. Djerassi, J. M. Wilson, H. Budzikiewicz and J. W. Chamberlin.
396.���� Optical Rotatory Dispersion Studies.
LXXVIII. Comparative Studies of Circular Dichroism and Rotatory Dispersion
Curves.� Some Observations on
Sulfur�Containing Chromophores.
J.A.C.S.,
84, 4552 (1962)
by C. Djerassi, H. Wolf and E. Bunnenberg.
397.���� Mass Spectrometry in Structural and
Stereochemical Problems. XVII. The Structures of Four Alkaloids of Vinca Minor.
(�)�Vincadifformine, Minovincine, Minovincinine and 16�Methoxyminovincine.
Bull.
Soc. Chim. France, 2237 (1962)
by, M. Plat, J. LeMen, M.�M. Janot, H. Budzikiewicz, J. M. Wilson, L. J. Durham
and C. Djerassi.
398.���� Alkaloid Studies. XXXIX. The Occurrence of
Dihydrocorynanthecl and Aricine in Aspidosperma Marcgravianum Woodson.
J.
Org. Chem., 27, 4702 (1962)
by B. Gilbert, L. D. Antonaccio and C. Djerassi.
1963
399.���� Mass Spectrometry in Structural and
Stereochemical Problems. XXIII. Some Observations on the Mass Spectral
Fragmentation of Δ1-�and Δ4-3-Keto Steroids.
Steroids,
1, 1 (1963)
by R. H. Shapiro, J.M. Wilson and Carl Djerassi.
400.���� Optical Rotatory Dispersion Studies. LXXIX.
The Location of the n-π* Absorption Band of α-Iodoketones and Its
Relation to Circular Dichroism and Optical Rotatory Dispersion.
J.A.C.S.,
85. 324 (1963)
By C. Djerassi, H. Wolf and E. Bunnenberg.
401.���� Optical Rotatory Dispersion Studies.
LXXVII. Application of the Octant Rule to Some Structural and Stereochemical
Problems: Part 2.
J.
Chem. Soc., 2390 (1963)
By C. Djerassi and W. Klyne.
402.���� Steroids. CCXXVII1. The Synthesis of
Equilin.
Steroids,
1, 233 (1963)
By J. A. Zderic, H. Carpio, A. Bowers and C. Djerassi.
403.���� The Structure of the Cactus Sterol
Macdougalli (14α -Methyl-Δ8-Cholestene-3β,6α-Diol) �A Novel
Link in Sterol Biogenesis.
J.A.C.S.,
85, 835 (1963)
By C. Djerassi, J.C. Knight and D. I. Wil�kinson.
404.���� Mass Spectrometry in Structural and
Stereochemical Problems. XVIII. Fragmentation and Hydrogen Transfer Reactions
After Electron Impact on α-Decalones. Synthesis of Poly-�deuterated
α-Decalones.
J.A.C.S.,
85, 941 (1963)
By E. Lund, H, Budzikiewicz, J. M. Wilson and C. Djerassi.
405.���� Absolute Configuration and Optical Rotatory
Dispersion of 3-Methylcycloheptanone and 4-Methylcycloheptanone.
J.A.C.S.,
85, 949 (1963)
By
C. Djerassi, B. F. Burrows, C. G. Overberger, T. Takekoshi, C. D. Gutsche and
C. T. Chang
406.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XXII. Determination of Mass Spectra of Non-Volatile
Substances.
Experientia,
19, 211 (1963)
J.F. Lynch, J.M. Wilson, H. Budzikiewicz and C. Djerassi
407.���� Optical Rotatory Dispersion Studies. LXXX.
Inherently Dissymmetric Chromophores and Circular Dichroism. II.
J.A.C.S.,
85, 1342 (1963)
By K. Mislow, E. Bunnenberg, R. Records, K. Wellman and C. Djerassi
408.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XX. Carapanaubine, a New Alkaloid from Aspidosperma
Carapanauba and Some Observations on Mass Spectra of Oxindole Alkaloids.
J.A.C.S.,
85, 1523 (1963)
By B. Gilbert, J.A. Brissolese, N. Finch, W.I. Taylor, H. Budzikiewicz, J.M.
Wilson and C. Djerassi
409.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXI. Fragmentation and Hydrogen Transfer Reactions
After Electron Impact on β-Decalones.
J.A.C.S.,
85, 1528 (1963)
By E. Lund, H. Budzikiewicz, J.M. Wilson and C. Djerassi
410.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XXVI. The Mass Spectra of Alkaloids of the
Refractine-Pleiocarpine Class and the Structure of Aspidofractine, a Minor
Alkaloid from Aspidosperma refractum Mart.
Helv.
Chim. Acta, 46, 742 (1963)
By C. Djerassi, H. Budzikiewicz, R.J. Owellen, J.M. Wilson, W.G. Kump, D.J.
LeCourq, A.R. Battersby and H. Schmid
411.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XXVIII. Structure of Pseudo Akuammigine and of
Picraline.
Bull.
Soc. Chim. France, 646 (1963)
By L. Olivier, J. L�vy, J. LeMen, M.-M. Janot, C. Djerassi, H. Budzikiewicz,
J.M. Wilson and L.J. Durham
412.���� Bromination of 2-Oxosteroids.
Chem.
Pharm. Bull. (Tokyo), 11, 465 (1963)
By T. Nakano, M. Hasegawa and C. Djerassi
413.���� Optical Rotatory Dispersion Studies.
LXXXII. Determination of the Stereochemistry and Con�formation of the Four
Isomeric Cyanodihydro�-carvones by Optical Rotatory Dispersion and Dipole
Moment Measurements.
J.
Org. Chem., 28, 1632 (1963)
By C. Djerassi, R.A. Schneider, H. Vorbrueggen and N. L. Allinger
414.���� Optical Rotatory Dispersion Studies.
LXXXIV.
Studies of Conformational Mobility by Low‑
Temperature Circular Dichroism Measurements.
J.A.C.S.,
85, 1870 (1963)
By K.M. Wellman, E. Bunnenberg and C. Djerassi
415.���� Optical Rotatory Dispersion Studies. LXXXI.
Conformational Distortion in 2-Methylcyclo-�hexanones.
Tetrahedron,
19, 919 (1963)
By C. Beard, C. Djerassi, J. Sicher, F. Sĭpo� and M. Tichў
416.���� Terpenoids. LII. Constitution and Absolute
Configuration of Eremophilenolide.
Tetrahedron,
19, 1101 (1963)
By L. Novotny, J. Jizba, V. Herout, F. �orm, L.H. zalkow, S. Hu and C. Djerassi
417.���� Mass Spectrometry in Structural and Stereo-chemical
Problems. XXV. Mass Spectrometric In�vestigations in the Steroid, Terpenoid and
Alkaloid Fields.
Pure
and Appl. Chem., 6, 575 (1963)
By C. Djerassi
418.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XXIV. A Study of the Hydrogen Transfer Reactions
Accompanying Frag�mentation of 11-Keto Steroids. Synthesis of Deuterated
Androstan-11-ones.
J.A.C.S.,
85, 2091 (1963)
By D.H. Williams, J.M. Wilson, H. Budzikiewicz and C. Djerassi
419.���� Mass Spectrometry in Structural and Stereo‑chemical
Problems. XXVII. Mass Spectral Fragmentation Processes and Hydrogen Transfer
Reactions of Amides and Amines.
J.A.C.S.,
85, 2470 (1963)
By Z. Pelah, M.A. Kielczewski, J.M. Wilson, M. Ohashi, H. Budzikiewicz and C.
Djerassi
420.���� Studies in Organic Sulfur Compounds XIV.
For�mation of Olefins on Desulfurization of Ethylene Thioketals by Raney
Nickel.
J.
Chem. Soc., 4046 (1963)
By C. Djerassi and D.H. Williams
421.���� The Introduction of Deuterium into the C-19
Angular Methyl Group.
Steroids,
2, 125 (1963)
By C. Djerassi and M.A. Kielczewski
422.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XIX. Akuammicine and Related Alkaloids.
Tetrahedron,
19, 1265 (1963)
By H. Budzikiewicz, J.M. Wilson, C. Djerassi, J. L�vy, J. LeMen and M.-M. Janot
423.���� Terpenoids LIII. Demonstration of Ring
Confor�mational Changes in Triterpenes of the β-Amyrin Class Isolated from
Stryphnodendron coriaceum.
J.
Org. Chem., 28, 2390 (1963)
By B. Tursch, E. Tursch, I.T. Harrison, G. da Silva, H.J. Monteiro, B. Gilbert,
W.B. Mors and C. Djerassi
424.���� Optical Rotatory Dispersion Studies. LXXXV.
Circular Dichroism and Optical Rotatory Disper‑sion of the Nitrite and
Nitro Chromophores.
J.A.C.S.,
85, 2835 (1963)
By C. Djerassi, H. Wolf and E. Bunnenberg
425.���� Mass Spectrometry in Structural and Stereochemical
Problems. XXXI. Aporphines and Related Alkaloids.
J.A.C.S.,
85, 2807 (1963)
By M. Ohashi, J.M. Wilson, H. Budzikiewicz, M. Shamma, W.A. Slusarchyk and C.
Djerassi
426.���� Unusual Chemical Shifts in the Nuclear
Magnetic Resonance Spectra of 7- and 11- Keto Steroids.
J.A.C.S.,
85, 2810 (1963)
By D.H. Williams, N.S. Bhacca and C. Djerassi
427.���� Alkaloid Studies XLIV. The Structure of the
Aspidosperma Alkaloid Compactinervine.
Experientia,
19, 467 (1963)
By C. Djerassi, Y. Nakagawa, J.M. Wilson, H. Budzikiewicz, B. Gilbert and L.D.
Antonaccio
428.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XXXVIII. Contribution to the Structure of Voacamine
and Voacorine. Observations on the Mass Spectra of Vobasine and its
Derivatives.
Bull.
Soc. Chim. France, 1899 (1963)
By H. Budzikiewicz, C. Djerassi, F. Puisieux, F. Percheron and J. Poisson.
429.���� Optical Rotatory Dispersion Studies.
LXXXIII. Optical Rotatory Dispersion and Circular Dichroism of Episulfides and
Trithiocarbonates.
Tetrahedron,
19, 1547 (1963)
By C. Djerassi, H. Wolf, D.A. Lightner, E. Bunnenberg, K. Takeda, T. Komeno and
K. Kuriyama
430.���� Alkaloid Studies XLII. The Structures of
Dichotamine, 1-Acetyl-aspidoalbidine and 1-Acetyl-17-Hydroxy-aspidoalbidine:
Three New Alkaloids from Vallesia dichotoma.
Tetrahedron
Letters, 1731 (1963)
By K.S. Brown, H. Budzikiewicz and C. Djerassi
431.���� Terpenoids LIV. Arborinol, a New Triterpene
Type.
Liebigs
Ann., 668, 57 (1963)
By H. Vorbr�ggen, S.C. Pakrashi and C. Djerassi
432.���� Optical Rotatory Dispersion Studies.
LXXXVII. Recording and Nomenclature of Circular Dichroism.
Proc.
Chem. Soc., 299 (1963)
By C. Djerassi and E. Bunnenberg
433.���� Optical Rotatory Dispersion Studies. XCIII.
Conformer Populations and Thermodynamic Data from Temperature-Dependent
Circular Dichroism Measurements.
J.A.C.S.,
85, 3515 (1963)
By A. Moscowitz, K. Wellman and C. Djerassi
434.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. XXXII. Pentacyclic Tri-�terpenes.
J.A.C.S.,
85, 3688 (1963)
By H. Budzikiewicz, J.M. Wilson and C. Djerassi
435.���� Optical Rotatory Dispersion Studies. XCIV.
Some Effects of Solvation Upon Optically Active Molecules.
Proc.
Natl. Acad. Sci., U.S., 50, 799 (1963)
By A. Moscowitz, K.M. Wellman and C. Djerassi
436.���� Alkaloid Studies XLIII. The Alkaloids of
Aspidosperma discolor.
Experientia,
19, 585 (1963)
By J.M.Ferreira, B.Gilbert, R.J.Owellen and C.Djerassi
437.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XLVI. The Mass Spectro�metric Fragmentation of
Steroidal Ethylene Ketals and Ethylene Thioketals.
Steroids,
2, 475 (1963)
By G. v.Mutzenbecher, Z.Pelah, D.H. Williams, H.Budzikiewicz and C.Djerassi
438.���� Studies in Organic Sulfur Compounds XV. A
Novel Base-Catalyzed Rearrangement of a Steroid β-Ketoxanthate.
Steroids,
2, 583 (1963)
By D.A. Lightner and C.Djerassi
439.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXIX. Mass Spectra of Isothiocyanates.
Acta
Chem.Scand., 17, 2143 (1963)
By A. Kjaer, M.Ohashi, J.M.Wilson and C.Djerassi
440.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXXIII. Colchicine Alkaloids.
Tetrahedron,
19, 2225 (1963)
By J.M.Wilson, M.Ohashi, H.Budzikiewicz, F.�antavў and C.Djerassi
441.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXXIV. Aromatic Methyl and Ethyl Ethers.
Tetrahedron,
19, 2233 (1963)
By Z.Pelah, J.M.Wilson, M.Ohashi, H. Budzikiewicz and C.Djerassi
442.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXXVI. The Mass Spectra of Stereoisomers of the
Sarpagine-Akuammidine Group.
Tetrahedron,
19, 2241 (1963)
By M.Ohashi, H.Budzikiewicz, J.M.Wilson, C.Djerassi, J.L�vy, J.Gosset, J. LeMen
and M.-M. Janot
443.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXXVII. Tropone and Tropo�lone Derivatives.
Tetrahedron,
19, 2247 (1963)
By J.M.Wilson, M.Ohashi, H.Budzikiewicz, C.Djerassi, S.It� and T.Nozoe
444.���� Synthesis of 15-Oxo-Steroids.
Proc.Chem.Soc.,
377 (1963)
By C.Djerassi and G. v.Mutzenbecher
445.���� Optical Rotatory Dispersion Studies LXXXIX.Optical
Rotatory Dispersion Studies LXXXIX.The Octant Rule and the t-Butyl Group.
Synthesis of Steroidal t-Butyl Ketones.
J.
Am. Chem. Soc., 86, 78 (1964)
By C. Djerassi, P. A. Hart and E. J. Warawa.
446.���� Optical Rotatory Dispersion Studies XC.
The Octant Rule and the Isopropyl Group. Synthesis of Steroidal Isoprapyl
Ketones.
J.
Am. Chem.. Soc., 86, 85 (1964)
By C. Djerassi, P. A. Hart and C. Beard.
447.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXXV. Mass Spectrometric Fragmentation and Hydrogen
Transfer Reactions in 16-Keto Steroids.�
A Novel Synthesis of Side Chain Labeled Cholestanes.
J.
Am. Chem. Soc., 86, 269 (1964)
By C. Beard, J. M. Wilson, H. Budzikiewicz and C. Djerassi.
448.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XLI.� Isotope
Effect in Hydrogen Rearrangement Processes:�
The Mass Spectra of Methyl Butyrate and Its γ-Mono-, Di-, and
Trideuterio Analogs.
J.
Am. Chem.. Soc., 86, 284 (1964)
By D. H. Williams, H. Budzikiewicz and C. Djerassi.
449.���� Optical Rotatory Dispersion Studies
LXXXVIII.Optical Rotatory Dispersion Studies LXXXVIII.Comparative Optical
Rotatory Dispersion and Circular Dichroism Measurements of N-phthaloyl Amines
and α-Amino Acids.
Ber.,
97, 533 (1964)
By H. Wolf, E. Bunnenberg and C. Djerassi.
450.���� Optical Rotatory Dispersion Studies XCI.
The Use of Low-Temperature Circular Dichroism Measurements for �Fingerprinting�
of Steroidal Ketones.
J.
Am. Chem. Soc., 86, 492 (1964)
By K. M. Wellman, R. Records, E. Bunnenberg and C. Djerassi.
451.���� Optical Rotatory Dispersion Studies XCII.
Some Observations on the Conformation of cis-10-Methyl-2-decalones.
J.
Am. Chem. Soc., 86, 465 (1964)
By C. Djerassi, J. Burakevich, J. W. Chamberlin, D. Elad, T. Toda and G. Stork.
452.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XL. The Fragmentation Be�havior of Cyclohexanol and
Its Deuteriated Analogs.
Monatsh.,
95, 158 (1964)
By H. Budzikiewicz, Z. Pelah and C. Djerassi.
453.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XLIV. Fragmentation of Monocyclic Ketones.
Monatsh.,
95, 166 (1964)
By D. H. Williams, H. Budzikiewicz, Z. Pelah and C. Djerassi.
454.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XLIII. Mass Spectrometric Fragmentation of
Isohexylbromide and Five Deuteriated Derivatives.
J.
Am. Chem. Soc., 86, 877 (1964)
By D. H. Williams, C. Beard, H. Bud�zikiewicz and C. Djerassi.
455.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XLIX. The Mass Spectro�metric Fragmentation of
5α-androstan-ll-one. Synthesis of 19-d1-5α-androstan-11-one.
Steroids,
3, 259 (1964)
By D. H. Williams and C. Djerassi.
456.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XXXIX. Tropane Alkaloids.
Tetrahedron,
20, 585 (1964)
By E. C. Blossey, H. Budzikiewicz, M. Ohashi, G. Fodor and C. Djerassi.
457.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XLV. The Mass Spectro�metric Fragmentation Behavior of
Isohexyl Cyanide and Its Deuterium Analogs.
J.
Am. Chem. Soc., 86, 1386 (1964)
By R. Beugelmans, D. H. Williams, H. Budzikiewicz and C. Djerassi.
458.���� Akuammiline--an Alkaloid from Picralima
nitida.
Ann.
Pharm. France, 22, 35 (1964)
By L. Olivier, J. Levy, J. LeMen, M.-M. Janot, H. Budzikiewicz and C. Djerassi.
459.���� Optical Rotatory Dispersion Studies XCV.
Effect of Ring Size in Some Bicyclic Ketones.
J.
Am. Chem. Soc., 86, 1755 (1964)
By C. Djerassi and J. E. Gurst.
460.���� Mass Spectrometry in Structural and
Stereo-chemical Problems LIV. The Structure of Tubulosine, A Novel Alkaloid
from Pogonopus tubulosus.
J.
Am. Chem. Soc., 86, 1895 (1964)
By P. Brauchli, V. Deulofeu, H. Bud�zikiewicz and C. Djerassi.
461.���� Mass Spectrometry in Structural and Stereo‑chemical
Problems LII. Structure and Mass Spectrometric Fragmentation of Vindolinine.
Helv.
Chim. Acta, 47, 827 (1964)
By C. Djerassi, M. Cereghetti, M. Plat, H Budzikiewicz, M.-M. Janot and J.
LeMen.
462.���� Macrolide Antibiotics XIII. Nystatin.
Biosynthetic Definition of Some Structural Features.
TetrahedronLetters,1485(1964)
By A. J. Birch, C. W. Holzapfel, R. W. Rickards, C. Djerassi, M. Suzuki, J.
Westley, J. D. Dutcher and R. Thomas.
463.���� Macrolide Antibiotics XIV. Nystatin.
Chemistry and Partial Structure of the Antibiotic.
Tetrahedron
Letters, 1491 (1964)
By A. J. Birch, C. W. Holzapfel, R. W. Rickards, C. Djerassi, M. Suzuki, J. W.
Westley, J. D. Dutcher and P. C. Seidel.
464.���� Alkaloid Studies XLVI. The Alkaloids of
Aspidosperma Obscurinervium Azembuja: A New Class of Heptacyclic Alka'oids.
J.
Am. Chem. Soc., 86, 2451 (1964)
By K. S. Brown and C. Djerassi.
465.���� Mass Spectrometry in Structural and Stereo‑chemical
Problems XLVII. Some Observations on Mass Spectra of Pseudoindoxyl Alkaloids.
J.
Am. Chem. Soc., 86, 2620 (1964)
By N. Finch, I. Hsiu-Chu Hsu, W. I. Taylor, H. Budzikiewicz and C. Djerassi.
466.���� Mass Spectrometry in Structural and
Stereo-chemical Problems XLVIII. A Study of the Hydrogen Transfer Reactions
Accompanying Fragmentation Processes of 1-Keto Steroids. Synthesis of
Deuterated 5α-Androstan-l-ones.
J.
Am. Chem. Soc., 86, 2623 (1964)
By H. Powell, D. H. Williams, H. Budzikiewicz and C. Djerassi.
467.���� Pyrroles and Related Compounds. Part IV.
Mass Spectrometry in Structural and Stereo-chemical Problems. Part XXX. Mass
Spectra of Monocyclic Derivatives of Pyrrole.
J.
Chem. Soc., 1949 (1964)
By H. Budzikiewicz, C. Djerassi, A. H. Jackson, G. W. Kenner, D. J. Newman and
J. M. Wilson.
468.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. L. Fragmentation and Hydrogen Migration Reactions of α,β-Un�saturated
3-Keto Steroids.
J.
Am. Chem. Soc., 86, 2825 (1964)
By R. H. Shapiro and C. Djerassi.
469.���� Mass Spectrometry in Structural and Stereo‑chemical
Problems. LI. Mass Spectral and Enolization Studies on
7-Keto-5α-androstanes.
J.
Am. Chem. Soc., 86, 2832 (1964)
By R. Beugelmans, R. H. Shapiro, Lois J. Durham, D. H. Williams, H. Bud�zikiewicz
and C. Djerassi.
470.���� Mass Spectrometry in Structural and
Stereo-chemical Problems. LIII. Fragmentation and Hydrogen Transfer Reactions
of a Typical 3-Keto Steroid, 5α-Androstan-3-one.
J.
Am. Chem. Soc., 86, 2837 (1964)
By R. H. Shapiro, D. H. Williams, H. Budzikiewicz and C. Djerassi.
471.���� Optical Rotatory Dispersion Studies LXXXVI.
Preparation, Anomalous Rotatory Dispersion and Circular Dichroism of Optically
Active Trithiones.
Ann.
674, 62 (1964)
By H. Wolf, E. Bunnenberg, C. Djerassi, A. Luttringhaus and A. Stockhausen.
472.���� Alkaloid Studies XLVII. The Structures of
Five New Aspidosperma Alkaloids Related to Uleine.
Experientia
20, 363 (1964)
By M. Ohashi, J. A. Joule, B. Gilbert and C. Djerassi.
473.���� Alkaloid Studies XLV. Mass Spectrometry in
Structural and Stereochemical Problems XLII. Some Aspects of the Chemistry and
Mass Spectrometry of Uleine.
J. Chem. Soc., 2777 (1964)
By J. A. Joule and C. Djerassi.
474.���� Mass Spectrometry in Structural and
Stereo-chemical Problems LV. The Mass Spectrometric Fragmentation of Ethylene
Ketals.
J.
Am. Chem. Soc., 86, 3722 (1964)
By Z. Pelah, D. H. Williams, H. Budzikiewicz and C. Djerassi.
475.���� Mass Spectrometry in Structural and Stereo‑chemical
Problems LVI. Fragmentation and Hydrogen Transfer Reaction of 4,4-Dimethy1-5α-Androstan-3-one
and Related Ketones.
Tetrahedron,
20, 1987 (1964)
By R. H. Shapiro and C. Djerassi.
476.���� Optical Rotatory Dispersion Studies XCVI.
Applications of Optical Rotatory Dispersion and Circular Dichroism in
Stereochemistry.
Proc.
Chem. Soc., 314 (1964)
By C. Djerassi.
477.���� Mass Spectrometry in Structural and Stereo‑chemical
Problems LVII. Isotope Labeling and Mass Spectrometry of Natural Products.
Pure
Appl. Chem., 9, 159 (1964)
By C. Djerassi.
478.���� Alkaloid Studies XLIX. The Structure of
Vallesamin and 0-Acetyl-Vallesamin.
Helv.
Chim. Acta, 47, 2072 (1964)
By A. Walser and C. Djerassi.
479.���� New Steroids from Cactus Wilcoxia Viperina.
Ber.
97, 3118 (1964)
By C. Djerassi, J. C. Knight and H. Brockmann.
480.���� Alkaloid Studies LI. The Structure of Aspidodasycarpine.
Tetrahedron
Letters, 3899 (1964)
By M. Ohashi, J. A. Joule and C. Djerassi.
481.���� Mass Spectrometry in Structural and
Stereo-chemical Problems LVIII. A Study of the Fragmentation Processes of Some
Lactams.
J.
Am. Chem. Soc., 86, 5536 (1964)
By A. M. Duffield, H. Budzikiewicz and C. Djerassi.
482.���� Mass Spectrometry in Structural and
Stereo-chemical Problems LIX. Mechanism of the Formal Loss of Acetone from
2-0xo-5α-Steroids.
J.
Am. Chem. Soc., 86, 5542 (1964)
By J. E. Gurst and C. Djerassi.
483.���� Studies in Relation to Biosynthesis XXXV.
Macrolide Antibiotics XII. Methymycin.
J.
Chem. Soc., 5274 (1964)
By A. J. Birch, C. Djerassi, J. D. Dutcher, J. Majer, D. Perlman, E.
Pride, R. W. Rickards and P. J. Thomson.
484.���� Optical Rotatory Dispersion Studies XCVII.
Anomalous Rotatory Dispersion and Circular Dichroism Curves Associated with
Thionamides. Application to Stereochemical Studies of Carboxylic Acids.
J.
Am. Chem. Soc., 87, 51 (1965)
By J. V. Burakevich and C. Djerassi.
485.���� Optical Rotatory Dispersion Studies XCVIII.
The Conformation of the 17-Acetyl Group in Steroids and Its Correlation with
Variable-Temperature Circular Dichroism.
J.
Am. Chem. Soc., 87, 60 (1965)
By K. M. Wellman and C. Djerassi.
486.���� Optical Rotatory Dispersion Studies XCIX.
Super�posed Multiple Cotton Effects of Saturated Ketones and Their Significance
in the Circular Dichroism Measurement of (-)-Menthone.
J.
Am. Chem. Soc., 87, 66 (1965)
By K. M. Wellman, P. H. A. Laur, W. S. Briggs, A. Moscowitz and C. Djerassi.
487.���� Optical Rotatory Dispersion Studies C.
Variable-Temperature Circular Dichroism Studies of Ring-Conformational and
Rotational Equilibria in Cyclohexanones.
J.
Am. Chem. Soc., 87, 73 (1965)
By K. M. Wellman, W.S. Briggs and C. Djerassi.
488.���� Optical Rotatory Dispersion Studies CI.
Rotatory Dispersion Curves of Cyclopropyl-Ketones and Epoxy-Ketones.
Tetrahedron,
21, 163 (1965)
By C. Djerassi, W. Klyne, T. Norin, G. Ohloff and E. Klein.
489.���� Mass Spectrometry in Structural and
Stereochemical Problems LX. The Electron Impact Induced Fragmentation of
Steroidal Dimethylamines.
J.
Am. Chem. Soc., 87, 574 (1965)
By Z. Pelah, D. H. Williams, H. Budzikiewicz and C. Djerassi.
490.���� Mass Spectrometry in Structural and
Stereochemical Problems LXII. Fragmentation and Hydrogen Transfer Reactions of
β-Hydrindanones. Synthesis of Deuterated β-Hydrindanones.
J.
Am. Chem. Soc., 87, 580 (1965)
By J. Karliner, H. Budzikiewicz and C. Djerassi.
491.���� Studies in Organic Sulfur Compounds XVI.
Synthesis and Reactions of Steroid Episulfides.
Tetrahedron,
21, 583 (1965)
By D. A. Lightner and C. Djerassi.
492.���� Mass Spectrometry in Structural and
Stereochemical Problems LXIII. Hydrogen Rearrangements Induced by Electron
Impact on N-n-butyl- and N-n-pentylpyrroles.
J.
Am. Chem. Soc., 87, 805 (1965)
By A. M. Duffield, R. Beugelmans, H. Budzikiewicz, D. A. Lightner, D. H.
Williams and C. Djerassi.
493.���� Mass Spectrometry in Structural and
Stereochemical Problems LXIV. A Study of the Fragmentation Processes of Some
Cyclic Amines.
J.
Am. Chem. Soc., 87, 810 (1965)
By A. M. Duffield, H. Budzikiewicz, D. H. Williams and C. Djerassi.
494.���� Mass Spectrometry in Structural and
Stereochemical Problems LXV. Synthesis and Fragmentation Behavior of 15-Keto
Steroids. The Importance of Interatomic Distance in the McLafferty
Rearrangement.
J.
Am. Chem. Soc., 87, 817 (1965)
By C. Djerassi, G. von Mutzenbecher, J. Fajkos, D. H. Williams and H.
Budzikiewicz.
495.���� The Structure of the Cactus Sterol
Peniocerol (cholest-8-ene-3β,6α-diol).
J.
Chem. Soc., 1160 (1965)
By C. Djerassi, R. D. H. Murray and R. Villotti.
496.���� Structure of Tomatillidine.
J.
Org. Chem., 30, 754 (1965)
By E. Bianchi, C. Djerassi, H. Budzikiewicz and Y. Sato.
497.���� Mass Spectrometry in Structural and
Stereochemical Problems LXVI. Mass Spectral Fragmentation of
6,7-Dimethoxycoumarin.
J.
Org. Chem., 30, 955 (1965)
By R. H. Shapiro and C. Djerassi.
498.���� Magnetic Circular Dichroism Studies: A
Preliminary Report.
Proc.
Natl. Acad. Sci., 53, 579 (1965)
By D. A.
Schooley, E. Bunnenberg and C. Djerassi.
499.���� Mass Spectrometry in Structural and
Stereochemical Problems LXIX. Methyl Migration in an Electron Impact Induced
Fragmentation.
J.
Am. Chem. Soc., 87, 1398 (1965)
By F. Komitsky, Jr., J. E. Gurst and C. Djerassi.
500.���� Alkaloid Studies LII. The Alkaloids cf
Vallesia Dichotoma.
Helv.
Chim. Acta, 48, 391 (1965)
By A. Walser and C. Djerassi.
501.���� Structure and Absolute Configuration of
Picraline, Pseudo-akuammigine, Akuammine and Akuammiline.
Bull.
Soc. Chim, France, 868 (1965)
By L. Olivier, J. Levy, J. LeMen, M.-M Janot, H. Budzikiewicz and C. Djerassi.
502.���� Mass Spectrometry in Structural and
Stereochemical Problems LXI. The Mass Spectrometric Fragmentation Behavior of
Anthracyclinones.
Ber.,
98, 1260 (1965)
By H.
Brockmann, Jr., H. Budzikiewicz, C. Djerassi, H. Brockmann and J.
Niemeyer.
503.���� Alkaloid Studies L. The Alkaloids of Twelve
Aspidosperma Species.
Tetrahedron,
21, 1141 (1965)
By B. Gilbert, A. P. Duarte, Y. Nakagawa, J. A. Joule, S. E. Flores, J. A.
Brissolese, J. Campello, E. P. Carrazzoni, R. J. Owellen, E. C. Blossey, K. S.
Brown and C. Djerassi.
504.���� Optical Rotatory Dispersion Studies CII.
Optical Rotatory Dispersion and Circular Dichroism of Thiolacetates.
Tetrahedron,
21, 1203 (1965)
By K. Takeda, K. Kuriyama, T. Komeno, D. A. Lightner, R. Records and C.
Djerassi.
505.���� Optical Rotatory Dispersion Studies CIII.
Optical Rotatory Dispersion and Circular Dichroism of Twisted Sulfur-Containing
Chromophoric Systems.
Tetrahedron,
21, 1581 (1965)
By D. A. Lightner, C. Djerassi, K. Takeda, K. Kuriyama and T. Komeno.
506.���� Mass Spectrometry in Structural and
Stereochemical Problems LXX. A Study of the Fragmentation Processes of Some
Five-Membered N-Alkyl Lactams and N-Alkyl Succinimides.
J.
Am. Chem. Soc., 87, 2913 (1965)
By A. M. Duffield, H. Budzikiewicz and C. Djerassi.
507.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXI. A Study of the Influence of Different Heteroatoms
on the Mass Spectrometric Fragmentation of Five-Membered Heterocycles.
J.
Am. Chem. Soc., 87, 2920 (1965)
By A. M. Duffield, H. Budzikiewicz and C. Djerassi.
508.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXII. A Study of the Fragmentation Processes of Some
Tobacco Alkaloids.
J.
Am. Chem. Soc., 87, 2926 (1965)
By A. M. Duffield, H. Budzikiewicz and C. Djerassi.
509.���� Mass Spectrometry in Structural and
Stereochemical Problems LXVII. Retro-Diels-Alder Decomposition of Organic
Molecules under Electron Impact.
Tetrahedron,
21, 1855 (1965)
By H. Budzikiewicz, J. I. Brauman and C. Djerassi.
510.���� Mass Spectrometry in Structural and
Stereochemical Problems LXVIII. Mass Spectrometric Investigations of Hashish
Constituents.
Tetrahedron,
21, 1881 (1965)
By H. Budzikiewicz, R. T.
Aplin, D. A. Lightner, C. Djerassi, R. Mechoulam and Y. Gaoni.
511.���� Alkaloid Studies LIII. The Structures of
Nine New Alkaloids from Aspidosperma Dasycarpon A. DC.
Tetrahedron,
21, 1717 (1965)
By J. A. Joule, M. Ohashi, B. Gilbert and C. Djerassi.
512.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXIII. The Negative Ion Mass Spectra of Some Simple
Organic Compounds.
J.
Am. Chem. Soc., 87, 3180 (1965)
By R. T. Aplin, H. Budzikiewicz and C. Djerassi.
513.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXVIII. Steroidal Δ4-3,6-Diketones.
Steroids,
6, 1 (1965)
By C. Djerassi, J. Karliner and R. T. Aplin.
514.���� Alkaloid Studies LIV. Structure of
Deoxytubulosine and Interconversion with Tubulosine.
Chem.
Commun., 317 (1965)
By H. Monteiro, H. Budzikiewicz, C. Djerassi, R. R. Arndt and W. H. Baarschers.
515.���� Recent Applications of Mass Spectrometry in
Steroid Chemistry.
Proceed.
1st Internat. Congress on Hormonal Steroids, Academic Press, New York, 1965,
Vol. 2, pp. 3-10
By C. Djerassi, H. Budzikiewicz and J. M. Wilson.
516.���� Terpenoids LVI. The Complete Structure of
the Triterpene Arborinol.
Tetrahedron
Letters, 39, 3433 (1965)
By Olga Kennard, L. Riva di Sanseverino, H. Vorbr�ggen and C. Djerassi.
517.���� The Bromination of 15-Keto Steroids.
Steroids,
6, 239 (1965)
By C. Djerassi, J. Fajkos and A. R. Van Horn.
518.���� Alkaloid Studies XLVIII. The Structure of
Apparicine, a Novel Aspidosperma Alkaloid.
J.
Chem. Soc., 4773 (1965)
By J. A. Joule, H. Monteiro, L. J. Durham, B. Gilbert and C. Djerassi.
519.���� New Alkaloids from Vinca Major.
Bull.
Soc. Chim., France, 2497 (1965)
By M. Plat, R. Lemay, J. LeMen, M.-M. Janot, C. Djerassi and H. Budzikiewicz.
520.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXVI. The Mass Spectra of Porphyrins.
Tetrahedron,
21, 2913 (1965)
By A. H. Jackson, G. W. Kenner, K. M. Smith, R. T. Aplin, H. Budzikiewicz and
C. Djerassi.
521.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXIX. Exchange of Enolizable Hydrogens in the Inlet
System of the Mass Spectrometer.
Chem.
Ind. (London), 1697 (1965)
By H. Budzikiewicz and C. Djerassi.
522.���� Mechanism of Reduction of Tosylhydrazones
with Complex Metal Hydrides.
Ber.,
98, 3236 (1965)
By M. Fischer, Z. Pelah, D. H. Williams and C. Djerassi.
523.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXIV. A Study of the Fragmentation of
N-Acylpyrrolidines.
J.
Am. Chem. Soc., 87, 4554 (1965)
By A. M. Duffield and C. Djerassi.
524.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXV. Occurrence of Alkyl Rearrangements in the
Fragmentation of Some Formaldehyde Acetals.
J.
Am. Chem. Soc., 87, 4559 (1965)
By P. Brown, C. Djerassi, G. Schroll, H. J. Jakobsen and S.-O. Lawesson.
525.���� Conformational Studies of
cis-lO-Methyl-2-Decalones.
Experientia,
21, 565 (1965)
By W. G. Dauben, R. M. Coates, N. D. Vietmeyer, L. J. Durham and C. Djerassi.
526.���� Alkaloid Studies LV. 19-Dehydroyohimbine, a
Novel Alkaloid from Aspidosperma Pyricollum.
Experientia,
21, 566 (1965)
By R. R. Arndt and C. Djerassi.
527.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXIX. Aliphatic and Alicyclic Nitro Compounds.
J.
Am. Chem. Soc., 87, 4888 (1965)
By R. T. Aplin, M. Fischer, D. Becher, H. Budzikiewicz and C. Djerassi.
528.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXI. Stereospecificity in a Hydrogen-Transfer
Reaction Characteristic of 6-Keto Steroids.
J.
Am. Chem. Soc., 87, 4892 (1965)
By C. Djerassi, R. H. Shapiro and M. Vandewalle.
529.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXII. A Study of the Fragmentation of Some
Amaryllidaceae Alkaloids.
J.
Am. Chem. Soc., 87, 4902 (1965)
By A. M. Duffield, R. T. Aplin, H. Budzikiewicz, C. Djerassi, C. F. Murphy and
W. C. Wildman.
530.���� Mass Spectrometry in Structural and Stereochemical
Problems XCIV. Steroidal Δ16 -20 Ketones and Δ9(II)-12-Ketones.
Steroids,
6, 493 (1965)
By L. T�k�s and C. Djerassi.
531.���� Mass Spectrometry in Structural and
Stereochemical Problems XCVIII. Absence of Methyl Migration in
2,2,8,8-Tetramethylnonan-5-one.
Chem.
Comm., 578 (1965)
By R. R. Arndt and C. Djerassi.
532.���� Studies in Organic Sulfur Compounds XVII.
The Synthesis of Previously Inaccessible Acylated Enamines by Desulfur�ization
of Thiazolidines.
J.
Chem. Soc., 6253 (1965)
By N. S. Crossley, C. Djerassi and M. A. Kielczewski.
533.���� Optical Rotatory Dispersion Studies CIV.
Low Temperature Circular Dichroism Behavior of Various Chromophoric Derivatives
of Alcohols and Amines.
Tetrahedron,
21, 3455 (1965)
By W. S. Briggs and C. Djerassi.
534.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXX. Mass Spectrometric Fragmentation of
Nitrophenylhydrazones.
Nature,
208, 1314 (1965)
By C. Djerassi and S. D. Sample.
535.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXIV. The Nature of the Cyclic Transition State in
Hydrogen Rearrangements of Aliphatic Ethers.
J.
Am. Chem. Soc., 87, 5747 (1965)
By C. Djerassi and C. Fenselau.
536.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXV. The Nature of the Cyclic Transition State in
Hydrogen Rearrangements of Aliphatic Amines.
J.
Am. Chem. Soc., 87, 5752 (1965)
By C. Djerassi and C. Fenselau.
537.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXVI. The Nature of the Hydrogen Transfer Reactions
in Butyl Propionate, Benzoate and Phthalate.
J.
Am. Chem. Soc., 87, 5756 (1965)
By C. Djerassi and C. Fenselau.
538.�
Mass Spectrometry in Structural and Stereochemical Problems. Two
�����
Deuterated Isothiocyanates.
����������������� Acta.
Chem. Scand., 19, 2438 (1965)
��������
By E. Bach, A. Kjaer, R. H. Shapiro and C. Djerassi.
539.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXVII. Influence of Restricted Rotation as well as
other Energetic Factors on the McLafferty Rearrangement of Ketones.
Chem.
Ber., 99, 35 (1966)
By H. Fritz, H. Budzikiewicz and C. Djerassi.
540.���� Mass Spectrometry in Structural and
Stereochemical Problems C. Suppression of McLafferty Rearrangements in the Mass
Spectrometric Fragmentation of Even-Electron Systems.
Chem.
Comm., 12 (1966)
By C. Djerassi, M. Fischer and J. B. Thomson.
541.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXVIII. Rearrangements of Simple Terpenes on Electron
Impact.
J.
Org. Chem., 31, 115 (1966)
By D. S. Weinberg and C. Djerassi.
542.���� Mass Spectrometry in Structural and
Stereochemical Problems XCIII. Further Observations on the Importance of
Interatomic Distance in the McLafferty Rearrangement. Synthesis and
Fragmentation Behavior of Deuterium Labeled 12-Keto Steroids.
J.
Am. Chem. Soc., 88, 536 (1966)
By
C. Djerassi and L. T�k�s.
543.���� Terpenoids LV. Studies in the Chemistry of
the Eremophilane Sesquiterpenes.
Tetrahedron,
22, 337 (1966)
By L. H. Zalkow, A. M. Shaligram, Shih-En Hu and C. Djerassi.
544.���� The Structure of the Cactus Sterol
Macdougallin (14α-Methyl-Δ8-cholestene-3β, 6α-diol). A
Novel Link in Sterol Biogenesis.
J.
Am. Chem. Soc., 88, 790 (1966)
By J. C. Knight, D. I. Wilkinson and C. Djerassi.
545.���� Mass Spectrometry in Structural and
Stereochemical Problems CIII. Electron Impact Induced Methyl Migration in Some
2-Arylidene-l-Decalones.
J.
Am. Chem. Soc., 88, 860 (1966)
By C.
Djerassi, A. M. Duffield, F. Komitsky, Jr. and L. T�k�s.
546.���� Steroid Oral Contraceptives.
Science,
151, 1055 (1966)
By C. Djerassi.
547.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXVII. Possibility of Methyl Migrations in Aromatic
Compounds.
Chem.
Ber., 99, 750 (1966)
By M. Fischer and C. Djerassi.
548.���� Mass Spectrometry in Structural and
Stereochemical Problems XCI. The Electron Impact Induced Elimination of Water
from 3-Hydroxy Steroids.
J.
Org. Chem., 31, 710 (1966)
By J. Karliner, H. Budzikiewicz and C. Djerassi.
549.���� Optical Rotatory Dispersion Studies CV. The
Absolute Configuration of Rosonono and Rosolo Lactones.
J.
Chem. Soc. (C), 624 (1966)
By C. Djerassi, B. Green, W. G. Whalley and C. G. DeGrazia.
550.���� Mass Spectrometry in Structural and
Stereochemical Problems LXXXIII. Partial Structure of Vobtusine.
Tetrahedron,
22, 1075 (1966)
By J. Poisson,
M. Plat,
H. Budzikiewicz, L. J. Durham and C. Djerassi.
551.���� Alkaloid Studies LVI. The Constitution of
Vallesiachotamine.
J.
Am. Chem. Soc., 88, 1792 (1966)
By C.
Djerassi, H. J. Monteiro, A. Walser and L. J. Durham.
552.���� Mass Spectrometry in Structural and
Stereochemical Problems CIX. The Non-Specificity of Hydrogen Re�arrangements in
Aryl Alkyl Ethers.
J.
Am. Chem. Soc., 88, 1840 (1966)
By
J. K. MacLeod and C. Djerassi.
553.���� Mass Spectrometry in Structural and
Stereochemical Problems CX. The Course of the Electron Impact Induced
Dehydrochlorination of Primary Alkyl Chlorides.
Chem.
Comm., 193 (1966)
By A. M. Duffield, S. D. Sample and C. Djerassi.
554.���� Mass Spectrometry in Structural and
Stereochemical Problems XCII. Further Studies on the McLafferty Rearrangement
of Aliphatic Ketones
Tetrahedron,
22, 1391 (1966)
By H. Budzikiewicz, C. Fenselau and C. Djerassi
555.���� Mass Spectrometry in Structural and
Stereochemical Problems CVIII. Dueterium Isotope Effects in Site-Specific Mass
Spectrometric Rearrangement Processes
Tetrahedron
Letters, 19, 2183 (1966)
By J. K. MacLeod and Carl Djerassi
556.���� Mass Spectrometry in Structural and
Stereochemical Problems CI. A Study of the Fragmentation of Some Azabicyclo
Lactams
J.
Org. Chem., 31, 1599 (1966)
By A. M. Duffield, Carl Djerassi, Lawrence Wise and Leo A. Paquette
557.���� Mass Spectrometry in Structural and
Stereochemical Problems CIV. The Nature of the Cyclic Transition State in
Hydrogen Rearrangements of Aliphatic Sulfides
J.
Am. Chem. Sac., 88, 1937 (1966)
By Shelia Sample and C. Djerassi
558.���� Mass Spectrometry in Structural and
Stereochemical Problems XCV. A Study of the Fragmentation Processes of Same
Pyridones on Electron Impact
Acta
Chem. Scand., 20, 361 (1966)
By A. M. Duffield, C. Dierassi, G. Schroll and S.-0. Lawesson
559.���� Mass Spectrometry in Structural and
Stereochemical Problems XCVI. Mass Spectrometric Fragmentation of Azomethines
Chem.
Ber., 99, 1541 (1966)
By M. Fischer and C. Djerassi
560.���� Mass Spectrometry in Structural and
Stereochemical Problems CV1. Occurrence of Alkyl and Aryl Rearrangements in the
Fragmentation of Some Organic Carbonates
J.
Am, Chem. Soc., 88, 2469 (1966)
By Peter Brown and Carl Djerassi
561.���� Terpenoids LVII. Mass Spectrometry in
Structural and Stereochemical Problems CV. Mass Spectral and Nuclear Magnetic
Resonance Studies of Pentacyclic Triterpene Hydrocarbons
J.
Org. Chem., 31, 1945 (1966)
By J. Karliner and C. Djerassi
562.���� Alkaloid Studies LVII. Indole Alkaloids of
the Aspidospermine Class. "Phytochimie et
Plantes Medicinales des Terres du Pacifique".
C.N.R.S., Paris, (1966), pp. 191-204
By C. Djerassi.
563.���� Mass Spectrometry in Structural and
Stereochemical Problems CVII. Fragmentation Behavior of Semi�carbazones.
Chem.
Ger., 99, 2284 (1966)
By
D. Becher, S. D. Sample and C. Djerassi.
564.���� Mass Spectrometry in Structural and
Stereochemical Problems CXIX. Interaction of Remote Functional Groups in Mass
Spectrometry.
J.
Am. Chem. Soc., 88, 3883 (1966)
By M. M. Green, D. S. Weinberg and C. Djerassi.
565.���� Mass Spectrometry in Structural and
Stereochemical Problems CXIV. Electron Impact Induced Rearrange�ment of
Thiocarbonates, Carbamates and Thio�carbamates.
J.
Am. Chem. Soc., 88, 4049 (1966)
By J. B. Thomson, P. Brown and C. Djerassi.
566.���� Mass Spectrometry in Structural and
Stereochemical Problems XCVII. A Study of the Fragmentation Processes of
Oximes.
Tetrahedron,
22, Suppl. 7, 145 (1966)
By D.
Goldsmith, D. Becher, S. Sample and C. Djerassi.
567.���� Mass Spectrometry in Structural and
Stereochemical Problems CII. Study on the Structure of Cincho�phyllamine and
Isocinchophythamine.
Bull.
Soc. Chim. France, 2309 (1966)
By P. Potier,
C. Korn, J. LeMen, M.-M. Janot, H. Budzikiewicz and C. Djerassi.
568.���� Optical Rotatory Dispersion Studies CVI.
Low Temperature Circular Dichroism of Various Polysub�stituted Cyclopentanones.
Bull.
Soc. Chim. France, 2378 (1966)
By C. Djerassi, R. Records, C. Ouannes and J. Jacques.
569.���� Selective Reduction of Steroids by
Homogeneous Catalytic Hydrogenation.
J.
Am. Chem. Soc., 88, 4537 (1966)
By C. Djerassi and J. Gutzwiller.
570.���� Mass Spectrometry in Structural and
Stereochemical Problems CXI. The Mass Spectrometric Fragmentation of
Substituted Naphthoquinones and its Application to Structural Elucidation of
Echinoderm Pigments.
J.
Org. Chem., 31, 3650 (1966)
By D. Becher, C. Djerassi, R. E. Moore, H. Singh and P. J. Scheuer.
571.���� Mass Spectrometry in Structural and
Stereochemical Problems CXII. Fragmentation of Two Bicyclic Amines on Electron
Impact.
J.
Org. Chem., 31, 3832 (1966)
By D. S. Weinberg and C. Djerassi.
572.���� Mass Spectrometry in Structural and
Stereochemical Problems CXIII. Specific Hydrogen Rearrangements in the
Fragmentation of Hydrazones.
J.
Org. Chem., 31, 3661 (1966)
By D. Goldsmith and C. Djerassi.
573.���� Mass Spectrometry in Structural and
Stereochemical Problems CXVIII. Aliphatic Epoxides.
Tetrahedron,
Suppl. 8, Part 1, 241 (1966)
By P. Brown, J. Kossanyi and C. Djerassi.
574.���� Magnetic Circular Dichroism Studies II.
Preliminary Results with Some Aromatic Compounds.
Proc.
Natl. Acad. Sci., 56, 1377 (1966)
By D. A. Schooley, E. Bunnenberg and C. Djerassi.
575.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXI. Fragmentation and Hydrogen Rearrangements in
4-Ketosteroids.
Helv.
Chim. Acta, 49, 2108 (1966)
By J. Gutzwiller and C. Djerassi.
576.���� Mass Spectrometry in Structural and
Stereochemical Problems CXV. Mass Spectra of tert-Butyl Ethers.
Arkiv
Kemi, 26, 199 (1966)
By H. J. Jakobsen, G. Schroll, S.-O. Lawesson, D. A. Lightner, A. M. Duffield
and C. Djerassi.
577.���� Mass Spectrometry in Structural and
Stereochemical Problems CXVI. The Fragmentation of Some Orthoesters and
Orthothioesters upon Electron Impact.
Arkiv
Kemi, 26, 279 (1966)
By G. Schroll, H. J. Jakobsen, S.-O. Lawesson, P. Brown and C. Djerassi.
578.���� Mass Spectrometry in Structural and
Stereochemical Problems CXX. Electron-Impact-Induced Fragmentation Processes of
Methoxycarbonylhydrazones.
J.
Org. Chem., 31, 4050 (1966)
By J. K. MacLeod, D. Becher and C. Djerassi.
579.���� Optical Rotatory Dispersion Studies CVIII.
Anomalous Optical Rotation and Circular Dichroism of N-Thioacylated
α-Amino Acids and Derivatives in Various Solvents.
Acta
Chem. Scand., 20, 2781 (1966)
By E. Bach, A. Kjaer, R. Dahlbom, T. Walle, B. Sj�berg, E. Bunnenberg, C.
Djerassi and R. Records.
580.���� Optical Rotatory Dispersion Studies CIX, An
Octant Rule for the Azide Chromophore,
J.
Am. Chem. Soc., 89, 347 (1967)
By C. Djerassi, A. Moscowitz, K. Ponsold and G. Steiner.
581.���� Mass Spectrometry in Structural and
Stereochemical Problems XC. Mass Spectra of Linear Di-, Tri- and Tetrapyrrolic
Compounds.
Tetrahedron,
23, 603 (1967)
By A. N. Jackson, G, W. Kenner, H. Budzikiewicz, C. Djerassi and J. M. Wilson.
582.���� Terpenoids LVIII. Griseogenin, a New
Triterpenoid Sapogenin of the Sea Cucumber Halodeima Grisea L.
Tetrahedron,
23, 761 (1967)
By B. Tursch, I. S. D. Guimaraes, B. Gilbert, R. T. Aplin, A. M. Duffield and
C. Djerassi.
583.���� Terpenoids LIX. The Structure of
Jegosapogenol.
Tetrahedron
Letters, 365 (1967)
By T. Nakano, M. Hasegawa, T. Fukumaru, S. Tobinaga, C. Djerassi, L. J. Durham
and H. Budzikiewicz.
584.���� Optical Rotatory Dispersion Studies CVII.
Factors Governing the Relative Stability of Hydrindanones. Syntheses of
17-Alkyl-15-keto Steroids.
J.
Am. Chem. Soc., 89, 651 (1967)
By A. R. Van Horn and C. Djerassi.
585.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXIX. The Course of the Electron Impact‑induced
Elimination of Hydrogen Sulphide from Aliphatic Thiols.
Chem.
Comm., 109 (1967)
By A. M. Duffield, W. Carpenter and C. Djerassi,
586.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXVIII. Further Studies on the Mass Spectrometry of
15-Keto Steroids.
Steroids,
9, 163 (1967)
By A. R. Van Horn and C. Djerassi.
587.���� Deuterium Isotope Effect in the
Photochemistry of a 20-0xo-Steroid Analog
Chem.
and Ind., 358 (1967)
By C. Djerassi and B. Zeeh.
588.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXIV. Mass Spectral Fragmentation of Alkylquinolines
and Isoquinolines.
J.
Org. Chem., 32, 997 (1967)
By Shelia D. Sample, D. A. Lightner, O. Buchardt and C. Djerassi.
589.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXV. Mass Spectrometry of Some Steroid Trimethylsilyl
Ethers.
J.
Org. Chem., 32, 1005 (1967)
By John Diekman and C. Djerassi.
590.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXVI. Synthesis and Fragmentation Behavior of
Deuterium-Labeled 17-Keto Steroids.
J.
Org. Chem., 32, 1012 (1967)
By L. T�kes, R. T. LaLonde and C. Djerassi.
591.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXVII. Synthesis and Fragmentation Be�havior of
Deuterium-Labeled 20-Keto Steroids.
J.
Org. Chem., 32, 1020 (1967)
By L. T�kes, R. T. LaLonde and C. Djerassi.
592.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXII. Possible Operation of Tautomerism Before and
After Electron-Impact Induced Fragmentation of Molecular Ions.
Tetrahedron,
23, 2095 (1967)
By J. K. MacLeod, J. B. Thomson and C. Djerassi,
593.���� Optical Rotatory Dispersion Studies CX. On
the Stereo-chemistry of Some Optically Active Cyclobutanones.
Bull.
Soc. Chim. France, 950 (1967)
By J. Gore, C. Djerassi and J.-M. Conia.
594.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXX. A Study of Electron Impact Induced Migratory
Aptitudes.
J.
Am. Chem. Soc., 89, 2711 (1967)
By P. Brown and C. Djerassi.
595.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXXIII. Electron Impact Induced Rearrange�ment
Reactions of Organic Molecules.
Angew.
Chem. Intern. Ed. Eng., 6, 477 (1967)
By P. Brown and C. Djerassi.
595a. Elektronenstoss-induzierte Umlagerungen organischer
Molek�le.
Angew.
Chem., 79, 481 (1967)
By P. Brown and C. Djerassi.
596.���� Mass Spectrometry in Structural and
Stereochemical Problems CXXXI. The Mass Spectrometric Fragmentation of
Thiuramdisulfides.
J.
Org. Chem., 32, 2054 (1967)
By J. 0. Madsen, Sven-Olov Lawesson, A. M. Duffield and C. Djerassi.
597.���� Electron Impact Induced Fragmentation of
Organic Molecules
Proc.
Symp. "Some Newer Physical Methods in Structural Chemistry, Mass
Spectrometry, Optical Rotatory Dispersion and Circular Dichroism," United
Trade Press, London (1967), pp. 2-6.
By C. Djerassi.
598.���� Some Applications of Newer Physical Methods
in the Steroid Field.
Proc.
Second Internat. Congress Hormonal Steroids, Excerpta Medica Foundation,
Amsterdam, 1967, pp. 3-15
By C. Djerassi.
599.���� Methods for Selective Deuteration of
Nuclear Positions in the Steroid Field.
Proc.
Second Internat. Congress Hormonal Steroids, Excerpta Medica Foundation,
Amsterdam, 1967, pp. 261-268
By C. Djerassi.
600.���� Mass Spectrometry in Structural and
Stereochemical Problems CXVII. Aliphatic α,β-Epoxyketones.
Tetrahedron,
23, 2893 (1967)
By W. Reusch and C. Djerassi.
601.���� The Photolysis of 1-Phenyl and 1-Cyano
Substituted Iso�quinoline Iso-quinoline N-oxides to Benz[f]-1,3-Oxazepines.
Tetrahedron
Letters, 2741 (1967)
By O. Buchardt, C. Lohse, A. M. Duffield and C. Djerassi.
602.���� Mass Spectrometry in Structural and
Stereochemical �Problems. CXXXII. Electron Impact Induced Alkyl and Aryl
Rearrangements in α,β-Unsaturated Cyclic Ketones.
J.
Am. Chem. Soc., 89, 4765 (1967)
By R. L. N. Harris, F. Komitsky, Jr. and C. Djerassi.
603.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXXIV. Electron Impact Induced Alkyl and Aryl
Rearrangements in α-Arylidene Cyclic Ketones.
J.
Am. Chem. Soc., 89, 4775 (1967)
By R. L. N. Harris, F. Komitsky, Jr., and C. Djerassi.
604.���� Macrolide Antibiotics XV. Nystatin - The
Structure of the Aglycone.
Tetrahedron
Letters, 3745 (1567)
By M. Ikeda, M. Suzuki and C. Djerassi.
605.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXXVI. Primary Hydrogen Isotope Effects in the
McLafferty Rearrangement.
J.
Am. Chem. Soc., 89, 5182 (1967)
By J. K. MacLeod and C. Djerassi.
606.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXXVII. Examples of Interaction of Remote Functional
Groups after Electron Impact.
J.
Am. Chem. Soc., 89, 5190 (1967)
By M. M. Green and C. Djerassi.
607.���� Terpenoids LX. The Structures of the Cactus
Triterpene Lactones Stellatogenin and Thurberogenin.
J.
Org. Chem., 32, 3150 (1967)
By M. Marx, J. Leclercq, B. Tursch and C. Djerassi.
608.���� Alkaloids of Callichilia subsessilis.
Cailichiline.
Bull.
Soc. Chin. France, 2669 (1967)
By M. Plat, N. Kunesch, J. Poisson, C. Djerassi and H. Budzikiewicz.
609.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXXV. Fragmentation and Synthesis of
α-Hydrindanones and Deuterated Analogs.
Chem.
Ber., 100, 3204 (1967)
By B. Zeeh, G. Jones and C. Djerassi.
610.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLVII. The Course of the Electron Impact Induced
Elimination of Hydrogen Fluoride in Primary Alkyl Fluorides.
Chem.
Comm., 1022 (1567)
By W. Carpenter, A. M. Duffield and C. Djerassi.
611.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXL. Competitive McLafferty Rearrangements in
Bifunctional Compounds.
J.
Org. Chem., 32, 3485 (1967)
By J. K. MacLeod and C. Djerassi.
612.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLIII. Unusual Fragmentations in the Mass Spectra of
Some Aliphatic Ethers.
J.
Am. Chem. Soc., 89, 6164 (1967)
By W. Carpenter, A. M. Duffield and C. Djerassi.
613.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLV. Factors Governing the Preferential Loss of Small
versus Large Radicals in Ketones, Schiff Bases and Ethers.
J.
Am. Chem. Soc., 89, 6167 (1967)
By W. Carpenter, A. M. Duffield and C. Djerassi.
614.���� Magnetic Circular Dichroism Studies. III.
Investigation of Some Optically Active Chlorins.
J.
Am. Chem. Soc., 89, 6170 (1967)
By B. Briat, D. A. Schooley, R. Records, E. Bunnenberg and C. Djerassi.
615.���� Alkaloid Studies. LVIII. The Alkaloids of
Six Aspidosperma Species.
Phytochemistry,
6, 1653 (1967)
By R. R. Arndt, S. H. Brown, N. C. Ling, P. Roller, C. Djerassi, J. M. Ferreira
F., B. Gilbert, E. C. Miranda and S. E. Flores.
616.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLI. Electron Impact Induced Fragmentations and
Rearrangements of Trimethylsilyl Ethers, Amines, and Sulfides.
J.
Org. Chem., 32, 3904 (1967)
By J. Diekman, J. G. Thomson and C. Djerassi.
617.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLI. Further Studies on the Mass Spectrometry of
17-Keto Steroids.
Steroids,
10, 653 (1967)
By G. Jones and C. Djerassi.
618.���� Magnetic Circular Dichroism Studies. IV.
Investigation of Some Annulene Derivatives.
J.
Am. Chem. Soc., 89, 7062 (1967)
By B. Briat, D. A. Schooley, R. Records, E. Bunnenberg and C. Djerassi.
619.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXXVIII. Fragmentation Processes of Some Thiocarbonyl
Compounds on Electron Impact.
Acta
Chem. Scand., 21, 2167 (1967)
By A. M. Duffield, C. Djerassi and J. Sandstr�m
620.���� A High Priority? Research Centers in
Developing Nations.
Bulletin
of the Atomic Scientists, Jan. 1968, pp. 23-27
By C. Djerassi.
621.���� Mass Spectrometry in Structural and Stereochemical
Problems. CXLIV. Unusual Fragmentations of the Low-Voltage Spectra of Aliphatic
Ketones.
J.
Am. Chem. Soc., 90, 160 (1968)
By W. Carpenter, A. M. Duffield and C. Djerassi.
622.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLVI. Mass Spectrometric Fragmentations Typical of
Sterols with Unsaturated Side Chains.
J.
Org. Chem., 33, 305 (1968)
By S. G. Wyllie and C. Djerassi.
623.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLIX. The Question of Ring Expansion in the
Fragmentation of 13C-Labeled Nitrogen Heterocycles.
J.
Am. Chem. Soc., 90, 678 (1968)
By M. Marx and C. Djerassi.
624.���� Homogeneous Catalytic Hydrogenation and
Deuteration of Steroids.
Chem.
Ber., 101, 58 (1968)
By W. Voelter and C. Djerassi.
625.���� Terpenoids LXI. The Structure of a New
Triterpene, Putranjivadione.
Tetrahedron,
24, 1205 (1968)
By P. Sengupta, A. K. Chakraborty, A. M. Duffield, L. J. Durham and C.
Djerassi.
626.���� Optical Rotatory Dispersion Studies CXI.
The Octant Rule and Equatorial Alkoxycarbonyl and Carboxyl Groups. Synthesis of
Optically Active Adamantanones.
Tetrahedron
Letters, 1097 (1968)
By W. S. Briggs, M. Suchy And C. Djerassi.
627.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXXIX. The Fragmentation of Some Cyanohydrins and
O-Acylcyanohydrins Upon Electron Impact.
Arkiv
Kemi, 28, 435 (1968)
By G. Schroll, S.-O. Lawesson, A. M. Duffield and C. Djerassi.
628.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLIII. Electron Impact Promoted Frag�mentation of
N-Alkyl Cyanides.
Org.
Mass Spectr., 1, 3 (1968)
By W. Carpenter, Y. M. Sheikh, A. M. Duffield and C. Djerassi.
629.���� Mass Spectrometry in Structural and
Stereochemical Problems. CL. Fragmentation and Synthesis of Bicyclic and
Monocyclic Models of 20-Keto Steroids.
Chem.
Ber., 101, 1018 (1968)
By B. Zeeh, G. Jones and C. Djerassi.
630.���� Some Applications of Magnetic Circular
Dichroism and Optical Rotatory Dispersion.
Nature,
217, 918 (1968)
By B. Briat and C. Djerassi.
631.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXXIII. Mass Spectrometry of Depsides, Depsidones,
Dibenzofurans, and Diphenylbutadienes with Positive and Negative Ions.
Tetrahedron, 24, 2707 (1968)
By S. Huneck, C. Djerassi, D. Becher, M. Barber, Von Ardenne, K. Steinfelder
and R. T�mmler.
632.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLII. Electron Impact Induced Analogies to Thermal
Elimination Processes in S-Methyl Xan�thates and Esters.
J.
Org. Chem., 33, 1612 (1968)
By W. Scott Briggs and C. Djerassi.
633.���� The Pyrolysis of the Epimeric d0-
and 2-d1-2- Methylcyclohexyl-S-Methyl Xanthates and Acetates.
J.
Org. Chem., 33, 1625 (1968)
By W. Scott Briggs and C. Djerassi.
634.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLIX. The Question of Ring Expansion in the Electron
Impact-induced Fragmentation of Aromatic Amines.
Chem.
Comm., 414 (1968)
By A. V. Robertson, M. Marx and C. Djerassi.
635.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLII. Electron Impact Promoted Frag�mentation of Some
Substituted Germacyclopentanes and Germacyclopentenes.
J.
Organometallic Chem., 12, 123 (1968)
By A. M. Duffield, C. Djerassi, P. Mazerolles, J. Dubac and G. Manuel.
636.���� Alkaloid Studies. LIX. The Structure and
Absolute Configuration of Vallesamidine.
J.
Am. Chem. Soc., 90, 2445 (1968)
By S. H. Brown, C. Djerassi and P. G. Simpson.
637.���� Mass Spectrometry in Structural and
Stereochemical Problems. CXLVIII. Electron Impact Induced Fragmentations of
Cyclic Sulfites and Carbonates.
Tetrahedron,
24, 2949 (1968)
By P. Brown and C. Djerassi.
638.���� Selective Ketalization of Steroid Ketones
with Tris-triphenylphosphin-rhodium Chloride.
Chem.
Ber., 101, 1154 (1968)
By W. Voelter and C. Djerassi.
639.���� Terpenoids LXII. Eunicellin, a Diterpenoid
of the Gorgonian Eunicella Stricta. X-Ray Diffraction Analysis of
Eunicellin Dibromide.
Tetrahedron
Letters, 2879 (1968)
By O. Kennard, D. G. Watson, L. Riva di Sanseverino, B. Tursch, R. Bosmans and
C. Djerassi.
640.���� Mass Spectrometry in Structural and Stereochemical
Problems. CLIV. Electron Impact Promoted Frag�mentation of Alkyl
Tetrahydropyranyl Ethers and Thioethers.
J.
Org. Chem., 33, 2266 (1968)
By S. J. Isser, A. M. Duffield and C. Djerassi.
641.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLV. The Electron Impact Induced Frag�mentations and
Rearrangements of Some Trimethyl�silyl Ethers of Aliphatic Glycols and Related
Compounds.
J.
Org. Chem., 33, 2271 (1968)
By J. Diekman, J. B. Thomson and C. Djerassi.
642.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLXIII. Rearrangement Reactions in Organic Mass
Spectrometry.
Advances
in Mass Spectrometry,
C. E. Kendrick, ed. The Institute of Petroleum, London, 1968, Vol. 4, pp.
199-210
By C. Djerassi.
643.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLVIII. Electron Impact Promoted Fragmentation of
Triphenylmethyl Ethers.
Org.
Mass Spectr.,
1, 251 (1968)
By Y. M. Sheikh, A. M. Duffield and C. Djerassi.
644.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLX. On the Supposed Peri Interaction in
4-Isobutylquinoline.
J.
Org. Chem.,
33, 2962 (1968)
By T. Muraski and C. Djerassi.
645.���� Magnetic Circular Dichroism Studies V.
Investigation of Some Cyclopentaene Derivatives.
J.
Am. Chem. Soc.,
90, 4691 (1968)
By B. Briat, D. A. Schooley, R. Records, E. Bunnenberg, C. Djerassi and E.
Vogel.
646.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLXI. Elucidation of the Course of the Characteristic
Ring D Fragmentation of Steroids.
J.
Am. Chem. Soc.,
90, 5465 (1968)
By L. T�k�s, G. Jones and C. Djerassi.
647.���� Magnetic Circular Dichroism Studies VI.
Investigation of Some Purines, Pyrimidines and Nucleosides.
J.
Am. Chem. Soc.,
90, 6163 (1968)
By W. Voelter, R. Records, E. Bunnenberg and C. Djerassi.
648.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLVI. 1,4-Dihydropyridines Preparation and
Spectroscopic Properties.
Arkiv
Kemi, 29, 525 (1968)
By G. Schroll, S. P. Nygaard, S.-O. Lawesson, A. M. Duffield and C. Djerassi.
649.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLXIV. Electron Impact Promoted Frag�mentation of Some
Thiosemicarbazones.
Org.
Mass Spectr., 1, 633 (1968)
By M. Younus Sheikh, A. M. Duffield and C. Djerassi.
650.���� Alkaloid Studies LX. The Structures of Two
Novel Aspidosperma Alkaloids, Deoxyaspidodispermine and
Aspidodispermine.
Tetrahedron
Letters, 5837 (1968)
By M. Ikeda and C. Djerassi.
651.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLXV. A Study of Skeletal Rearrangements in���� 13C-Labeled Aromatic Amines.
J.
Am. Chem. Soc., 90, 6992 (1968)
By A. V. Robertson and C. Djerassi.
652.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLXVII. Long Range Hydrogen Transfers in Mass
Spectrometry.
Helv.
Chim. Acta, 51, 1750 (1968)
By R. Brandt and C. Djerassi.
653.���� Mass Spectrometry in Structural and
Stereochemical Problems. CLVII. A Study of the Fragmentation Processes of Some
N-Acyl-2-Indolinols Upon Electron Impact.
Acta.
Chem. Scand., 22, 2329 (1968)
By O. Buchardt, A. M. Duffieldand C. Djerassi.
654.���� Optical Rotatory Dispersion Studies CXII.
An Octant Rule for the Thiocyanate Chromophore and its Application to Rotameric
Equilibrium Studies in the Steroid Series.
Tetrahedron,
24, 6913 (1968)
By C. Djerassi, D. A. Lightner, D. A. Schooley, K. Takeda, T. Komeno and K.
Kuriyama.
655.���� Optical Rotatory Dispersion Studies CXIII.
Molybdate-�Pyranose Complexes.
Ann.,
718, 238 (1968)
By W. Voelter, E. Beyer, R. Records, E. Bunnenberg and C. Djerassi.
656.���� Mass Spectrometry in Structural and Stereochemical
Problems. CLXVI. The Electron Impact Promoted Fragmentation of Some Aliphatic
1,2-Glycols.
Org.
Mass Spectr., 1, 777 (1968)
By J. Kossanyi, J. P. Morizur, B. Furth, J. Wiemann, A. M. Duffield and C.
Djerassi.
657.���� Alkaloid Studies LXI. The Structure of
Twelve New Alkaloids from Aspidosperma Cylindrocarpon.
Journal
Chem. Soc. (C), 417 (1969)
By B. V. Milborrow and C. Djerassi.
658.���� Magnetic Circular Dichroism Studies VII,
Some Derivatives of Vitamin B12.
Bull.
Soc. Chim. France, 135 (1969)
By B. Briat and C. Djerassi.
659.���� Optical Rotatory Dispersion Studies CXIV.
Molybdate-�Polyalkohol-Complexes.
Chem.
Ber., 102, 1005 (1969)
By W. Voelter, E. Bayer, R. Records, E. Bunnenberg and C. Djerassi.
660.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXVIII. Effect of Fluorine Substitution on the
McLafferty Rearrangement of Aliphatic Ketones.
Org.
Mass Spectr., 2, 317 (1969)
By W. Carpenter, A. M. Duffield and C. Djerassi.
661.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXIX. Determination of the Structures of the Ions in
the Single and Double McLafferty Rearrangements by Ion Cyclotron Resonance
Spectroscopy.
J.
Am, Chem. Soc., 91, 2069 (1969)
By J. Diekman, J. K. MacLeod, C. Djerassi and J. D. Baldeschwieler.
662.���� Optical Rotatory Dispersion Studies CXVI,
The Circular Dichroism of Some Lactic Acid Derivatives. A Reinterpretation.
Chem.
Comm., 355 (1969)
By G. Barth, W. Voelter, E. Bunnenberg and C. Djerassi.
663.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXX. A Study of the Effect of Ring Size in Reciprocal
Hydrogen Transfer.
J.
Am. Chem. Soc., 91, 2724 (1969)
By G. Eadon and C. Djerassi.
664.���� Applications of Artificial Intelligence for
Chemical Inference I. The Number of Possible Organic Compounds. Acyclic
Structures Containing C, H, O and N.
J.
Am. Chem. Soc., 91, 2973 (1969)
By J. Lederberg, G. L. Sutherland, B. G. Buchanan, E. A. Feigenbaum, A. V.
Robertson, A. M. Duffield, and C. Djerassi.
665.���� Applications of Artificial Intelligence for
Chemical Inference II.� Interpretation of
Low Resolution Mass Spectra of Ketones.
J.
Am. Chem. Soc., 91, 2977 (1969)
By A. M. Duffield, A. V. Robertson, C. Djerassi, B. G. Buchanan, G. L.
Sutherland, E. A. Feigenbaum and J. Lederberg.
666.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXII. A Study of the Fragmentation Processes of Some
Benzoxazepines upon Electron Impact.
Acta.
Chem. Scand., 23, 126 (1969)
By O. Buchardt, A. M. Duffield and C. Djerassi.
667.���� Optical Rotatory Dispersion Studies CXV.
α-Hydroxy Acid�Molybdate Complexes.
Chem.
Ber., 102, 2003 (1969)
By W. Voelter, E. Beyer, G. Barth, E. Bunnenberg and C. Djerassi.
668.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXI. Factors Governing the Loss of Small vs. Large
Radicals in the α-Fission of Aliphatic Amines.
Org.
Mass Spectr., 2, 625 (1969)
By C. A. Brown, A. M. Duffield and C. Djerassi.
669.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXII. The Electron Impact Promoted Fragmentation of
1,2-Cyclohexanedioi.
Org.
Mass Spectr., 2, 631 (1969)
By M. K. Strong and C. Djerassi.
670.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXIV. Electron Impact Induced Fragmenta�tion of Some
Aryl- and Alkylsulfonylthioureas.
Org.
Mass Spectr., 2, 641 (1969)
By A. M. Duffield, C. Djerassi, R. Neidlein, and E. Heukelbach.
671.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXVII. Application of Ion Cyclotron Resonance to the
Structure Elucidation of the C3H6O Ion Formed in the
Double McLafferty Rearrangement.
J.
Am. Chem. Soc., 91, 3986 (1969)
By G. Eadon, J. Diekman and C. Djerassi.
672.���� Terpenoids LXIV. Chemical Studies of Marine
Inverte�brates V. The Isolation of Three New Holothurinogenins and Their
Chemical Correlation with Lanosterol.
J,
Am. Chem. Soc., 91, 4918 (1969)
By P. Roller, C. Djerassi, R. Cloetens and B. Tursch,
673.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXVI. The Course of the Electron Impact Induced
Fragmentation of Androstane.
J.
Am. Chem. Soc., 91, 5017 (1969)
By L. T�k�s and C. Djerassi.
674.���� Terpenoids LXIII. The Structure of
Jegosapogenol and the Configuration at C-21 and C-22 in Barringtogenol D,
Aescigenin, Protoaescigenin and Isoaescigenin.
J.
Org. Chem., 34, 3135 (1969)
By T. Nakano, M. Hasegawa, T. Fukumaru, L. J. Durham, H. Budzikiewicz and C.
Djerassi.
675.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXIII. The Electron Impact induced Frag�mentations
and Rearrangements of Trimethylsilyl Esters of ω-Phenoxyalkanoic Acids.
J.
Org. Chem., 34, 3147 (1969)
By J. Diekman, J. B. Thomson and C. Dierassi.
676.���� Prognosis for the Development of New
Chemical Birth Control Agents.
Science,
166, 468 (1969)
By Carl Djerassi.
677.���� Magnetic Circular Dichroism Studies VIII.
Investigation of Some Purine Cyclonucleosides.
J.
Am. Chem. Soc., 91, 6165 (1969)
By W, Voelter, G. Barth, R. Records, E. Bunnenberg and C. Djerassi.
678.���� Magnetic Circular Dichroism Studies
IX.� The Magnetic Circular Dichroism of
Carbonyl Compounds.
Chem.
Comm., 1246 (1969)
By G. Barth, E. Bunnenberg and C. Djerassi.
679.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXIX. The Electron Impact Induced Rearrangement of
1-Phenylheptenes. Further Evidence for Double Bond Lability.
J.
Am. Chem. Soc., 91, 6808 (1969)
By A. F. Gerrard and C. Djerassi.
680.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXIII. A Study of the Electron Impact Induced
Fragmentation of Aliphatic Aldehydes.
J.
Am. Chem. Soc., 91, 6814 (1969)
By R. J. Liedtke and C. Djerassi.
681.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXVI. Electron Impact Promoted Eight-Membered
Hydrogen Transfer in Vinyl Ethers.
Chem.
Comm., 1385 (1969)
By M. Katoh and C. Djerassi.
682.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXX. Oxygen Rearrangement and Fragmentation Reactions
After Electron Impact on 4-Hydroxy- and 4-Alkoxy-1-Decalones.
J.
Org. Chem., 34, 4091 (1969)
By R. T. Gray, M. Ikeda and C. Djerassi.
683.���� Applications of Artificial Intelligence for
Chemical Inference III. Aliphatic Ethers Diagnosed by Their Low Resolution Mass
Spectra and NMR Data.
J. Am. Chem. Soc., 91, 7440 (1969)
By G. Schroll, A. M. Duffield, C. Djerassi, B. G. Buchanan, G. L. Sutherland,
E. A. Feigenbaum and J. Lederberg.
684.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXVIII. The Electron Impact Promoted Fragmentation of
1,2-Cyclohexane Oxide.
Org.
Mass Spectr., 2, 1201 (1969)
By M. K. Strong, P. Brown and C. Djerassi.
685.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXV. The Mass Spectra of α-Hydroxy Ketones.
Evidence Against Electron Impact Induced Alkyl Shifts in Ketols.
Journal
Chem. Soc.(C), 2550 (1969)
By C. A. Brown and C. Djerassi.
686.���� Alkaloid Studies LXII. X-ray
Crystallographic Structure Determination of Dichotine Hydrobromide.
J.
Am. Chem. Soc., 92, 222 (1970)
By N. C. Ling, C. Djerassi and P. G. Simpson
687.���� Mass Spectrometry in Structural and
Stereochemical Problems CXC. Electron Impact Induced Triple Hydrogen Migration
in Vinyl Alkyl Ethers.
J.
Am. Chem. Soc., 92, 731 (1970)
By M. Katoh and C. Djerassi.
688.���� Optical Rotatory Dispersion Studies CXVII.
Absolute Configurational Assignments of Some α-Substituted Phenyl‑acetic
Acids by Circular Dichroism Measurements.
J.
Am. Chem. Soc., 92, 875 (1970)
By G. Barth, W. Voelter, H. S. Mosher, E. Bunnenberg and C. Djerassi.
689.���� Terpenoids LXV. Chemical Studies of Marine
Invertebrates. Praslinogenin, a New Holothurinogenin from the Indian Ocean Sea
Cucumber, Bohadschia koellikeri.
Tetrahedron
Letters 467 (1970)
By B. Tursch, R. Cloetens and C. Djerassi.
690.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXII. Investigations in the 10-Phenyl-2-Decalone
System. The Synthesis and Electron-Impact Promoted Phenyl Migration of trans-10-Phenyl-2-Octalone.
J.
Org. Chem., 35, 753 (1970)
By R. T. Gray and C. Djerassi.
691.���� Magnetic Circular Dichroism Studies XI.
Investigation of Some Adenosine Cyclonucleosides.
Tetrahedron
Letters, 727 (1970)
By D. L. Elder, E. Bunnenberg, C. Djerassi, M. Ikehara and W. Voelter.
692.���� Demonstration of a Biogenetically
Unprecedented Side Chain in the Marine Sterol, Gorgosterol.
J.
Am. Chem. Soc., 92, 2179 (1970)
By R. L. Hale, J. Leclercq, B. Tursch, C. Djerassi R. A. Gross, Jr., A. J.
Weinheimer, K. Gupta, and Paul J. Scheuer.
693.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXIV. Charge Localization in Fragment Ions of Amino
Ketones and Esters.
Org.
Mass Spectr., 3, 439 (1970)
By J. Cable, G. W. Adelstein, J. Gore and C. Djerassi.
694.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXV. Effect of the Phenyl Group in the Moss Spectra
of Trans-10-Phenyl-2-Decalone and Trans-�10-Phenyldecalin.
Org.
Mass Spectr., 3, 245 (1970)
By R. T. Gray and C. Djerassi.
695.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXI. Further Studies of Remote Group Interactions
After Electron Impact in 4-Substituted Cyclohexanones.
J.
Org. Chem.,����� 35, 1525 (1970)
By R. T. Gray, R. J. Spangler, and C. Djerassi.
696.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXVIII. The Electron Impact Induced Behavior of
Branched Ketones and Esters, with Special Emphasis on Hydrogen Rearrangements.
J.
Am. Chem. Soc., 92, 3084 (1970)
By G. Eadon and C. Dierassi.
697.���� Mass Spectrometry in Structural and
Stereochemical Problems CXCII. Skeletal Rearrangement in the Fragmentation of
Phenyl Azide.
Tetrahedron
Letters 1875 (1970)
By P. D. Woodgate and C. Djerassi.
698.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXVII. A Study of Skeletal Rearrangements in
Chromans by Combined 13C and Deuterium Labeling.
Org.
Mass Spectr., 3, 753 (1970)
By J. R. Trudell, S. D. Sample and C. Djerassi.
699.���� Terpenoids LXVI. Simultaneous
Functionalization of the C-18 and C-19 Angular Methyl Groups in 11β-�Hydroxylanostan-3β-yl
Acetate by Lead Tetraacetate-�Iodine Oxidation.
J.
Chem. Soc.(C) 1089 (1970)
By P. Roller and C. Dierassi
700.���� Contraception 1984: Putting Something in
the Water Supply.
Family
Planning Perspectives, 2, No. 3, 29 (1970)
By C. Djerassi.
701.���� Magnetic Circular Dichroism Studies X.� Investigation of some Carbonyl Compounds.
Symp.
Faraday Soc., No. 3, 49 (1969)
By G. Barth, E. Bunnenberg, C. Djerassi, D. Elder and R. Records.
702.���� Side Chain Transformations and Deuterium
Labeling in the Steroidal Sapogenin Series.
J.
Org. Chem., 35, 2571 (1970)
By W. H. Faul, A. Failli and C. Djerassi.
703.���� Terpenoids LXVII. Chemical Studies of
Marine Inverte�brates VII. Interrelation of Seychellogenin and Lanosterol
through Lanostane-3β,11β ,18-triol.
J.
Org. Chem., 35, 2585 (1970)
By P. Roller, B. Tursch and C. Djerassi.
704.���� Alkaloid Studies LXIV. The Crystal
Structure and Absolute Configuration of (-) 17-O-Methyl-Aspidodispermine Nb-Hydrobromide.
Tetrahedron
Letters, 3015 (1970)
By N. C. Ling and C. Djerassi.
705.���� Mass Spectrometry in Structural and
Stereochemical Problems CXCI. Applications of Mass Spectrometry in the Steroid
Field.
Pure
and Appl. Chem., 21, 205 (1970)
By C. Djerassi.
706.���� Birth Control after 1984
Science,
169, 941 (1970)
By C. Djerassi.
707.���� The Structure and Absolute Configuration of
the Marine Sterol, Gorgosterol.
J.
Am. Chem. Soc., 92, 5281 (1970)
By N. C. Ling, R. L. Hale and C. Djerassi
708.���� Mass Spectrometry in Structural and
Stereochemical Problems CLXXXIX. Electron Impact Induced Fragmenta�tions and
Rearrangements of Alkoxycyclohexanol Tri�methylsilyl Ethers and
Alkoxycyclohexyl Trimethylsilanes.
Org.
Mass Spectr., 3, 973 (1970)
By R. T. Gray, J. Diekman, G. L. Larson, W. K. Musker and C. Djerassi.
709.���� Mass Spectrometry in Structural and
Stereochemical Problems CXCIII. On the Combined Hydroxyl and Water Loss in
Nitrophenylhydrazones.
Org.
Mass Spectr., 3, 1089 (1970)
By R. J. Liedtke, A. M. Duffield and C. Djerassi.
710.���� Mass Spectrometry in Structural and
Stereochemical Problems CXCV. The Structure of the [C6H6O]+
Ion in the Spectrum of Phenyl Alkyl Ethers.
Org.
Mass Spectr., 3, 1093 (1970)
By P. D. Woodgate and C. Djerassi.
711.���� Mass Spectrometry in Structural and
Stereochemical Problems CXCIV. Mass Spectrometric Fragmentation of Steroidal
Sapogenins.
Org.
Mass Spectr., 3, 1187 (1970)
By W. H. Faul and C. Djerassi.
712.���� Alkaloid Studies LXIII. The Constitution
and Chemistry of Dichotine and 11-Methoxydichotine.
J.
Am. Chem. Soc., 92, 6019 (1970)
By N. C. Ling and C. Djerassi.
713.���� Applications of Artificial Intelligence for
Chemical Inference VI. Approach to a General Method of Interpreting Low
Resolution Mass Spectra with a Computer.
Helv.
Chim. Acta, 53, 1394 (1970)
By A. Buchs, A. B. Delfino, A. M. Duffield, C. Djerassi, B. G. Buchanan, E. A.
Feigenbaum and J. Lederberg.
714.���� Mass Spectrometry in Structural and
Stereochemical Problems CXCV. Application of Ion Cyclotron Resonance to the
Structure Elucidation of the C3H6O Ion Formed in the
Double McLafferty Rearrangement.
J.
Am. Chem. Soc., 92, 6205 (1970)
By G. Eadon, J. Diekman and C. Djerassi.
715.���� Optical Rotatory Dispersion Studies
CXVIII.� Aliphatic C-�Nitroso Compounds.
J.
Org. Chem., 35, 3591 (1970)
By N. D. Vietmeyer and C. Djerassi.
716.���� Applications of Artificial Intelligence for
Chemical Inference IV. Saturated Amines Diagnosed by their Low Resolution Mass
Spectra and Nuclear Magnetic Resonance Spectra.
J. Am. Chem. Soc., 92, 6831 (1970)
By A. Buchs, A. M. Duffield, C. Djerassi, G. Schroll, A. B. Delfino, B. G.
Buchanan, G. L. Sutherland, E. A. Feigenbaum and J. Lederberg.
717.���� Mass Spectrometry in Structural and
Stereochemical Problems- CXCVII. Electron-Impact Induced Functional Group
Interaction in 4-Benzyloxycyclohexyl Trimethylsily1 Ether.
Organic
Mass Spectrometry 4, 257 (1970)
By Paul D. Woodgate, Robin T. Gray and Carl Djerassi
718.���� Mass Spectrometry in Structural and
Stereochemical Problems - CXCVIII. A study of the Fragmentation Processes of
Some α,β-Unsaturated Aliphatic Ketones.
Organic
Mass Spectrometry, 4, 273 (1970)
By Younus M. Sheikh, A. M. Duffield and Carl Djerassi
719.���� Applications of Artificial Intelligence for
Chemical Inference V. An Approach to the Computer Generation of Cyclic Structures.
Differentiation between All The Possible Isomeric Ketones of Composition C6H10O.
Organic
Mass Spectrometry, 4, 493(1970)
By Younus M. Sheikh, Armand Buchs, Allan B. Delfino Gustav Schroll, A. M.
Duffield, Carl Djerassi, B. G. Buchanan, G. L. Sutherland, E. A. Feigenbaum and
J. Lederberg.
720.���� Physical Methods in Steroid Chemistry.
Intra
Science Chemistry Reports, 4, 165 (1970)
By Carl Djerassi.
721.���� Mass Spectrometry in Structural and
Stereochemical Problems CC. A Study of the Fragmentation Processes of some
Pyrilium Salts.
Organic
Mass Spectr., 5, 87 (1971)
By A. M. Duffield, C. Djerassi and A. T. Balaban.
722.���� Acansterol: A Cyclopropane-containing
Marine Sterol from Acanthaster planci.
Chem.
Comm., 217 (1971)
By Y. M. Sheikh, C. Djerassi and B. W. Tursch.
723.���� Research Centers of Excellence in
Developing Countries.
Proceedings,
20th Pugwash Conference on Science and World Affairs, pp. 159-162 (1970)
By Carl Djerassi.
724.���� A Possible Catalytic Role for Pugwash in
Defining New Contraceptive Methods for Developing Countries.
Proceedings,
20th Pugwash Conference on Science and World Affairs, pp. 163-164 (1970).
725a��� "Prognosis for the Development of New
Birth Control Agents" (see No. 676) by Carl Djerassi.
Reprinted
in "Global Ecology" (ed. by J. P. Holdren and P. R. Ehrlich),
Harcourt Grace, New York, 1971.
725b.�� "Birth Control after 1984" (see No.
706) by Carl Djerassi.
Reprinted
in: Ob. Gyn. News, April 1, 1971;
Zero Population Growth National Reporter, Vol. 3, Nos. 3 (March) and 6 (June),
1971;
"Environmental Protection" (by L. L. Jaffe and L. H. Tribe), Bracton
Press, Chicago, 1971, pp. 589-593.
726.���� Magnetic Circular Dichroism Studies XII.
The Determina�tion of Tryptophan in Proteins.
J.
Amer. Chem. Soc., 93, 2545 (1971)
By G. Barth, R. Records, E. Bunnenberg, C. Djerassi and W. Voelter.
727.���� Mass Spectrometry in Structural and
Stereochemical Problems CCV. The Mass Spectra of Trimethylsilyl Ethers of
Phenols and the Importance of Neighboring Group Participation in Fragmentation.
Org.
Mass Spectr., 5, 487 (1971)
By G. G. Smith and C. Djerassi.
728.���� Mass Spectrometry in Structural and
Stereochemical Problems CXCIX. Contrasting Fragmentations of Singly-and
Doubly-Charged o-, m- and p-Hydroxyalkylphenones and their
Trimethylsilyl Ethers.
Org.
Mass Spectr., 5, 505 (1971)
By G. G. Smith and C. Djerassi.
729.���� Mass Spectrometry in Structural and
Stereochemical Problems CCIV. Spectra of Hydantoins II. Electron Impact Induced
Fragmentation of Some Substituted Hydantoins.
Org.
Mass Spectr., 5, 551 (1971)
Rene� A. Corral, Orfeo O. Orazi, A. M. Duffield and C. Djerassi.
730.���� Magnetic Circular Dichroism Studies XV.
Organic Chemical Applications of Magnetic Circular Dichroism.
Pure
and Appl. Chem., 25, 57 (1971)
By C. Djerassi, E. Bunnenberg and D. Elder.
731.���� Mass Spectrometry in Structural and
Stereochemical Problems CCII. Interaction of Remote Functional Groups in
Acyclic Systems upon Electron Impact.
J.
Org. Chem., 36, 1796 (1971)
By M. Sheehan, R. J. Spangler, M. Ikeda and C. Djerassi.
732.���� Alkaloid Studies LXV. Confirmation of the
Heptacyclic Structure of the Aspidosperma Obscurinervium Alkaloids Through
X-Ray Analysis of Obscurinervine Hydrobromide.
Tetrahedron
Letters, 27, 2527 (1971)
By J. Kahrl, T. Gebreyesus and C. Djerassi.
733.���� Mass Spectrometry in Structural and
Stereochemical Problems CCVI. Observation of the Fragmentation of Olefinic
Hydrocarbons.
Org.
Mass Spectr., 5, 817 (1971)
By K. K. Mayer and C. Djerassi.
734.���� Mass Spectrometry in Structural and
Stereochemical Problems CCIII. The Course of a Triple Hydrogen Migra�tion in
Esters of Trimellitic Anhydride.
J.
Amer. Chem. Soc., 93, 3905 (1971)
By J. Cable and C. Djerassi.
735.���� Mass Spectrometry in Structural and
Stereochemical Problems CCVII. Fragmentation of Unsaturated Ethers.
Org.
Mass Spectr., 5, 895 (1971)
By J. P. Morizur and C. Djerassi.
736.���� Mass Spectrometry in Structural and
Stereochemical Problems CCI. The Fragmentation of Aliphatic Ketones in the Mass
Spectrometer: A Detailed Study of Nonan-4-one using Ion Kinetic Energy
Spectroscopy.
Org.
Mass Spectr., 5, 917 (1971)
By G. Eadon, C. Djerassi, J. H. Beynon and R. M. Caprioli
737.���� Magnetic Circular Dichroism Studies XIII. A
Study on Purified Bovine Erythrocuprein.
Biochim.
Biophs. Acta, 243, 203 (1971)
By U. Weser, E. Bunnenberg, R. Cammack, C. Djerassi, L. Flohe, G. Thomas and W.
Voelter.
738.���� Mass Spectrometry in Structural and
Stereochemical Problems CCIX. Functional Group Interaction after Electron
Impact. Anomalous Ether Cleavage in Bi�functional Benzyloxy Ethers.
J.
Org. Chem., 36, 3526 (1971)
By M. Sheehan, R. J. Spangler and C. Djerassi.
739.���� Magnetic Circular Dichroism Studies XIV.
Investigation of Xanthine Oxidase.
Eur.
J. Biochem., 22, 580 (1971)
By E. Bayer, A. Bacher, P. Krauss, W. Voelter, G. Barth, E. Bunnenberg and C.
Djerassi.
740.���� Reversible Fertility Control.
XXIIIrd
International Congress of Pure and Applied Chemistry, Vol. III, pp.
55-80 (1971)
By Carl Djerassi.
741.���� The Application of Artificial Intelligence
in the Interpretation of Low-Resolution Mass Spectra.
Advances
in Mass Spectrometry, Vol. 5, 314 (1971)
By A. Buchs, A. B. Delfino, C. Djerassi, A. M. Duffield, B. G. Buchanan, E. A.
Feigenbaum, J. Lederberg, G. Schroll and G. L. Sutherland.
742.���� Fertility Control Through Abortion - An
Assessment of the Period 1950 - 1980.
Bulletin
of the Atomic Scientists, 28, (No. 1), 9 (1972)
By Carl Djerassi.
743.���� Synthesis and Biological Activity of
D-Bishomo Steroid: Journal of Medicinal Chemistry, 15, 89 (1972)
By G. Eadon and C. Djerassi.
744.���� Mass Spectrometry in Structural and
Stereochemical Problems CCVIII. The Effect of Double Bonds Upon the McLafferty
Rearrangement of Carbonyl Compounds.
J.
Amer. Chem. Soc., 94, 473 (1972)
By J. R. Dias, Y. M. Sheikh and C. Djerassi.
745.���� Mass Spectrometry in Structural and
Stereochemical Problems CCX. Evidence for Transition States of Different Ring
Sizes in the Loss of C4H8 from Phenyl n-Butyl Ether in
the Mass Spectrometer.
J.
Amer. Chem. Soc., 94, 482 (1972)
By A. Yeo and C. Djerassi.
746.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXIII. The Effect of Ring Size Upon the Electron
Impact Induced Behavior of Steroidal Ketones.
J.
Org. Chem., 37, 155 (1972)
By S. Popov, G. Eadon and C. Djerassi.
747.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXI. The Effect of Structural Variations on the
Electron Impact Induced Fragmentation of Steroid Hydrocarbons.
J.
Amer. Chem. Soc., 94, 1282 (1972)
By G. Eadon, S. Popov and C. Djerassi.
748.���� Magnetic Circular Dichroism Studies XVII.
Magnetic Circular Dichroism Spectra of Proteins. A New Method for the
Ouantitative Determination of Tryptophan.
J.
Amer. Chem. Soc., 94, 1293 (1972)
By
G. Barth, R. Records, E. Bunnenberg, C. Djerassi and W. Voelter.
749.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXV. Behavior of Phenyl-Substituted α,β-
Unsaturated Ketones Upon Electron Impact. Promotion of Hydrogen Rearrangement
Processes.
J.
Org. Chem., 37, 776 (1972)
By R. J. Liedtke, A. F. Gerrard, J. Diekman and C. Djerassi.
750.���� Pugwash Population Problems of Centers of
Excellence.
Proceed.
of 21 Pugwash Conference on Science and World Affairs (Sinaia, Romania 1971),
pp. 183-188
By C. Djerassi.
751.���� Magnetic Circular Dichroism Studies XVI.
Investigations of Some Conjugated Olefins.
J.
Org. Chem., 37, 1209 (1972)
By W. G. Dauben, J. I. Seeman, P. H. Wendschuh, G. Barth, E. Bunnenberg and C.
Djerassi.
752.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXVI. Anomalous Cleavage Ions in Bifunctional
Compounds Resulting from Participative Interaction.
Org.
Mass Spectre., 6, 384 (1972)
By J. R. Dias and C. Djerassi.
753.���� 5α-Pregn-9(11)-Ene-3β, 6α
-Dio1-20-One and 5α-�Cholesta-9(11), 20(22)-Diene-3β,
6α-Diol-23-One‑ Two Novel Steroids from the Starfish Acanthaster
Planci
J.
Amer. Chem. Soc., 94, 3278 (1972)
By Y. M. Sheikh, B. Tursch and C. Djerassi.
754.���� Alkaloid Studies LXVI. Reactions of Some Aspidosperma
Alkaloids with Metachloroperbenzoic Acid. Removal of the Angular Ethyl Group of
Aspidospermine.
J.
Chem. Soc. (Perkin), 849 (1972)
By T. Gebreyesus and C. Djerassi.
755.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXII. Induced Triple Hydrogen Rearrangements and Other
Fragmentations of Alkyl Vinyl Ethers and Thioethers.
J.
Amer. Chem. Soc., 94, 3107 (1972)
By M. Katoh, D. A. Jaeger and C. Djerassi.
756.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXIV. Induced Fragmentation of Simple Acetylenes.
J.
Amer. Chem. Soc., 94, 3115 (1972)
By P. D. Woodgate, K. K. Mayer and C. Djerassi.
757.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXVIII. The Electron Impact Induced Behavior of
Terpenoid Esters of the Juvenile Hormone Class.
J.
Org. Chem., 37, 2111 (1972)
By R. J. Liedtke and C. Djerassi.
758.���� A. New Sterol from an Alcyonarian.
Steroids,
20, 121 (1972)
By J. P. Engelbrecht, B. Tursch and C. Djerassi.
759.���� Birth Control after 1984: A Realistic
Appraisal of Future Contraceptive Developments (modified version of No. 706).
Chapter
5 in "Are Our Descendants Doomed?"
H. Brown and E. Hutchings, ed., Viking Press, New York, 1972
By C. Djerassi.
759a.
Birth Control after 1984 (see No. 706).
Reprinted
in "Chemistry and Society" (Ed. by M. M. MacDonald and R. E. Davis),
Willard Grant Press, Boston, 1972, pp. 212-242.
By C. Djerassi.
760.���� Applications of Artificial Intelligence for
Chemical Inference VIII. An Approach to the Computer Inter�pretation of the
High Resolution Mass Spectra of Complex Molecules. Structure Elucidation of
Estrogenic Steroids.
J.
Amer. Chem. Soc., 94, 5962 (1972)
By D. H. Smith, B. G. Buchanan, R. S. Engelmore. A. M. Duffield, A. Yeo, E. A.
Feigenbaum, J. Lederberg and C. Djerassi.
761.���� Magnetic Circular Dichroism Studies
XVIII.� Structure and the MCD of
Saturated Ketones.
J.
Amer. Chem. Soc., 94, 6464 (1972)
By L. Seamans, A. Moscowitz, G. Barth, E. Bunnenberg and C. Djerassi.
762.���� Magnetic Circular Dichroism Studies
XIX.� The Determination of the
Tyrosine:Tryptophan Ratio in Proteins.
Anal.
Biochem., 48, 471 (1972)
By G. Barth, E. Bunnenberg and C. Djerassi.
763.���� Magnetic Circular Dichroism Studies XX. A
Study on Purified Bovine APO-Erythrocuprein.
Biochem.
Biophys. Acta, 278, 28 (1972)
By U. Weser, G. Barth, C. Djerassi, H. J. Hartmann, P. Krauss, G. Voelcker, W.
Voelter and W. Voetsch.
764.���� 5α-Cholesta-9(11),17(20),24-Triene-3β,6α-Diol,
A Minor Genin from the Starfish Acanthaster Planci.
Tetrahedron
Letters, 3721 (1972)
By Y. M. Sheikh, B. Tursch and C. Djerassi.
765.���� Magnetic Circular Dichroism Studies XXIII.
Magnetic Circular Dichroism Spectra of Indole Alkaloids.
Hely.
Chim. Acta, 55, 2168 (1972)
By G. Barth, R. E. Linder, E. Bunnenberg and C. Djerassi.
766.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXVII. Electron Impact Promoted Frag�mentation of
0-Methyl Oximes of Some α,β-Un�saturated Ketones and Methyl
Substituted Cyclo�hexanones.
Can.
J. Chem., 50, 2776 (1972)
By Y. M. Sheikh, R. J. Liedtke, A. M. Duffield and C. Djerassi.
767.���� Genetic Engineering - Probabilities and
Practicalities.
Science
and Public Affairs, Bulletin of Atomic Scientists XXVIII, No. 12, pp. 25-28
(1972)
By C. Djerassi.118
767a.�� Genetic Engineering - Probabilities and
Practicalities.
WPI
Journal, 76, No. 1, 14 (1972)
By C. Djerassi.
768.���� The Mechanism of the Reduction of
α,β-Unsaturated (Steroid) Ketones with Diborane.
Tetrahedron
Letters, 4673 (1972)
By I. Midgley and C. Djerassi.
769.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXIX. Identification of a Unidirectional Quadruple
Hydrogen Transfer Process in 7-Phenylhept�3-en-2-one 0-Methyl Oxime Ether.
Org.
Mass Spectre., 6, 1271 (1972)
By R. J. Liedtke, Y. M. Sheikh, A. M. Duffield and C. Djerassi.
770.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXX. Synthesis and Mass Spectra of 5α-�Cholest-8(9)-
and 8(14)-en-7-ones.
J.
Chem. Soc. (Perkin), 2771 (1972)
By I. Midgley and C. Djerassi.
771.���� Mass
Spectrometry in Structural and Stereochemical Problems CCXXI. The Loss of
Methyl from the [M-C2H4]+. Ion of
Butyrophenone.
Org.
Mass Spectre., 6, 1285 (1972)
By K. B. Tomer and C. Djerassi.
772.���� Planned Parenthood for Pets?
Science
and Public Affairs���������� (Bulletin of
Atomic Scientists) XXIX, No. 1,�� pp.
10-19 (1973).
By C. Djerassi, A. Israel and W.�� J�chle.
773.���� Terpenoids LXVIII. 23ξ-Acetoxv-17-Deoxy-7,8-Dihydroholothurinogenin,
a New Triterpenoid Sapogenin from a Sea Cucumber.
J.
Org. Chem., 38, 209 (1973).
By� I. Rothberg, B. M. Tursch and C.
Djerassi.
774.���� The Synthesis of Corticosteroids from
Marine Sources.
J.�� Amer.� Chem. Soc.,��� 95,
628 (1973).
By J. E. Gurst, Y. M. Sheikh and C.
Djerassi.
775.���� Stereochemical Course of the Reduction of 5α-Cholest-8(14)-en-7-one
by Metal-Ammonia: A Ready Synthesis of��� 14β-Steroids.
J.
Chem. Soc. (Perkin,I), 155 (1973)
By I. Midgley and C. Djerassi.
776.���� Magnetic Circular Dichroism Studies XXII.��� Magnetic Circular Dichroism Spectroscopy - A
Definitive Method for the Determination of Urinary Porphyrins.
Anal.
Biochem., 52, 83 (1973).
By� S. M. Kalman, G. Barth, R. E. Linder,
E. Bunnenberg and C. Djerassi.
777.���� Mass Spectrometry��� in Structural and Stereochemical Problems CCXXII. Delineation of
Competing Fragmentation Pathways of Complex Molecules from a Study of
Meta-stable Ion Transitions of Deuterated Derivatives.
Org.
Mass Spect, 7, 367 (1973).
By� D. H. Smith, A. M. Duffield and C.
Djerassi.
778.���� Mass Spectrometry��� in Structural and Stereochemical Problems CCXXIII. Ortho
Interactions of Nitro Groups.
Org.
Mass Spect., 7, 383 (1973).
By K. B. Tomer, T. Gebreyesus and C. Djerassi.�����������
779.���� Mass Spectrometry��� in Structural and Stereochemical Problems CCXXVII. The Structure
of the High Energy (M-Ketene)+. Ions from Acetanilide.
Tetrahedron
Letters, 915 (1973).
By K. B. Tomer, S. Hammerum and C. Djerassi.
780.���� Optical Rotatory Dispersion Studies CXIX.��� The Effect of Ring Heteroatoms on the Cotton
Effect of Cyclohexanones.
J.�� Amer.� Chem. Soc.,��� 95,
3678 (1973).
By M. M. Cook and C. Djerassi.��
781.���� The Carbon-13 Magnetic Resonance Spectra of
Acyclic Aliphatic Amines.
J.
Amer. Chem. Soc., 95, 3710 (1973).
By H. Eggert and C. Djerassi.
781a.�� Contraception 1984: Putting Something in the
Water Supply. (See No. 700).
Reprinted
in "Population � A Class of Prophets" (E. Pohlman, ed.), New American
Library, New York, 1973, pp. 300-302.
By C. Djerassi.�����
782.���� Mass Spectrometry��� in Structural and Stereochemical Problems CCXXIV. Fragmentation
of Cyclopropanes.
Org.
Mass Spect, 7, 753 (1973).
By J. R. Dias and C. Djerassi.�����
783.���� Mass Spectrometry��� in Structural and Stereochemical Problems CCXXV. Sulfur Migration
in the [M-C2H4]+. Ion of S-Ethyl Thiobenzoate.
Org.
Mass Spect., 7,�������� 771 (1973).
By K. B.���� Tomer and C. Djerassi.����������
784.���� Problems of Developing Nations � Need for a
Flexible Patent System.
Proceed.
of the 22nd Pugwash Conference on Science and World Affairs,����� (Oxford, Sept. 7-12, 1972, pp. 339-343.
By C. Djerassi.
785.���� Research Impact Statements (Editorial).
Science,
181, 115 (1973).
By C. Djerassi.
786.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXVI. The Electron Impact Induced Elimination of
Water from 3-Hydroxy-5β-steroids.
Chem.
Ber., 106, 1897 (1973).
By H. Klein and C. Djerassi.
787.���� "Birth Control Prospects after
1984"
by
Carl Djerassi in "Wednesday Night at the Lab" (ed. by K. L. Rinehart,
W. O. McLure and T. L. Brown), Harper and Row Publ., New York, 1973, pp.
185-209.
788.���� Characterization of
3β-Hydroxy-5α-Cholesta-9(11),
20(22)-dien-23-one-6α-yl-β-D-6'-deoxy glucoside from the Starfish Acanthaster
planci.
Tetrahedron
Letters, 2927 (1973).
By Y. M. Sheikh and C. Djerassi.
789.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXVIII. Application of Ion Cyclotron Resonance for
Differentiation between Tautomers: Vinylthiol and Thioacetaldehyde.
J.
Amer. Chem. Soc., 95, 5335 (1973).
By K. B. Tomer and C. Djerassi.
790.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXIII. On the Stereochemical Dependence of the
Retro-Diels-Alder Reaction.
J.
Amer. Chem. Soc., 95, 5806 (1973).
By S. Hammerum and C. Djerassi.
791.���� Steroid Contraceptives in the People�s
Republic of China
New
Engl. J. Med., 289, 533 (1973).
By C. Djerassi.
792.���� Application of Artifical Intelligence for
Chemical Inference IX. Analysis of Mixtures without Prior Separation as
Illustrated for Estrogens.
J.
Amer. Chem. Soc., 95, 6078 (1973).
By D. H. Smith, B. G. Buchanan, R. S. Engelmore, H. Adlercreutz and C.
Djerassi.
793.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXX. Preparation of 5α,20α and 5α,
17α, 20α-cholestane-3β,6α-diol, Electron Induced
Fragmentation of Steroidal Δ17(2), Δ20(21) and
Δ20(22) Olefins.
J.
Org. Chem., 38, 3545 (1973).
By Y. M. Sheikh and C. Djerassi.
794.���� The Carbon-13 Nuclear Magnetic Resonance
Spectra of Keto Steroids.
J.
Org. Chem., 38, 3788 (1973).
By H. Eggert and C. Djerassi.
795.���� Applications of Artificial Intelligence for
Chemical Inference X. Intsum. A Data Interpretation and Summary Program Applied
to the Collected Mass Spectra of Estrogenic Steroids.
Tetrahedron,
29, 3117 (1973).
By D. H. Smith, B. G. Buchanan, W. C. White, E. A. Feigenbaum, J. Lederberg and
C. Djerassi.
796.���� Applications of Artificial Intelligence for
Chemical Inference XI. Analysis of Carbon-13 NMR data for Structure Elucidation
of Acyclic Amines.
J.
Chem. Soc. (Perkin II), 1753 (1973).
By R. E. Carhart and C. Djerassi.
797.���� Magnetic Circular Dichroism Studies XXI.
The Magnetic Circular Dichroism of Porphyrin Dications.
Ann.
N.Y. Acad. Sci., 206, 223 (1973).
By G. Barth, R. E. Linder, E. Bunnenberg and C. Djerassi.
798.���� Selective Deuterium Labeling of Steroidal
Estrogens.
Steroids,
22, 591 (1973).
By J. H. Block and C. Djerassi.
799.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXIV. Alkyl Pyridyl Ketones.
J.
Org. Chem., 38, 4152 (1973).
By K. B. Tomer and C. Djerassi.
800.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXI. Differentiation between Tautomeric Ion
Structures (Phenol vs. Cyclohexadienone).
Tetrahedron,
29, 3491 (1973).
By K. B. Tomer and C. Djerassi.
801.���� Steroids from Starfish.
Steroids,
22, 835 (1973).
By Y. M. Sheikh, M. Kaisin and C. Djerassi.
802.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXL. The Effect of a 14α-Angular Methyl Group
upon the Mass Spectral Fragmentation of 11-� and 7-Keto Steroids.
J.
Amer. Chem. Soc., 95, 8726 (1973).
By R. R. Muccino and C. Djerassi.
803.���� Directions and Potentials of Contraceptive
Research
Internat.
J. Health Sciences, 3, No. 4, 583 (1973)
By C. Djerassi.
804.���� Fertility Limitation through Contraceptive
Steroids in the People's Republic of China.
Studies
in Family Planning, 5, (I), 13-30 (1974).
By Carl Ojerassi.
805.���� Chinese Birth Control and the "Paper
Pi11".
Los
Angeles Times, 6, Part VI, Feb. 10, 1974.
By Carl Djerassi.
806.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXIX. Electron-Impact-Induced Fragmentation of Boric
Acid Esters.
Org.
Mass Spect., 8, 217 (1974).
By S. Hammerum and C. Djerassi.
807.
��� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXVIII. The Effect of Heteroatoms upon the Mass
Spectrometric Fragmentation of Cyclohexanones.
J.
Org. Chem., 39, 279 (1974).
By J. H. Block, D. H. Smith and C. Djerassi.
808.
��� Some Observations on Current Fertility
Control in China.
The
China Quarterly, No. 57 (Jan.-March) 40 (1974).
By Carl Djerassi.
808A.�� Swedish version of 808.
Internationella
Studier, No. 1 (21-25)(1974).
808B.�� Abbreviated version of 808.
Family
Planning, 23, No. 1 (16-24)(1974).
809.
��� Medicine in China (Book Review).
Nature,
247, 581 (1974).
By Carl Djerassi.
810.
��� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXII. Hydrogen-Deuterium Randomization in
7-Methyl-4-Octanone-7-d at Times of 10-11 to l0-5 Sec Following
Field Ionization.
J.
Amer. Chem. Soc., 96, 1054 (1974).
By P. J. Derrick, A. M. Falick, A. L. Burlingame and C. Djerassi.
811.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXIX.�
Elucidation of theRing D Cleavage in Lanostane.
J.
Amer. Chem. Soc., 96, 556 (1974).
By R. R. Muccino and C. Djerassi.
812.���� Magnetic Circular Dichroism Studies
XXV.� A Preliminary Investigation of
Microsomal Cytochromes.
Proc.
Nat. Acad. Sci., 71, No. 2, 399 (1974)
By P. M. Dolinger, M, Kielczewski, J. R. Trudell, G. Barth, R. E. Linder, E.
Bunnenberg and C. Djerassi.
813.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXV.� A Hidden
Hydrogen Rearrangement in Long Chained Anilides.
Tetrahedron,
30, 17 (1974)
By K. B. Tomer and C. Djerassi.
814.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXVII.�
Electron-Impact-Induced Hydrogen Losses and Migrations in Some Aromatic
Amides.
Org.
Mass Spect., 9, 137 (1974)
By A. M. Duffield, G. de Martino and C. Djerassi.
815.���� The Mechanism of Hydride Reduction of
I-Alkyn-3-ols.
J.
Org. Chem., 39, 968 (1974)
By B. Grant and C. Djerassi.
816.���� Birth Control in the People�s Republic of
China.
Bulletin,
American Academy of Arts and Sciences, XXVII. No. 8, pp. 36-43 (1974).
By C. Djerassi.
817.���� Magnetic Circular Dichroism Studies
XXVIII.� Solvent Dependent Absorption and
Magnetic Circular Dichroism Spectral Studies of Triphenylcarbenium Ion.
J.
Amer. Chem. Soc., 96, 3309 (1974).
By Y. K. Mo., R. E. Linder, G. Barth, E. Bunnenberg and C. Djerassi.
818.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXLI.�
Investigation of the Electron Impact Induced Fragmentation of
I-Hepten-3-ol by Ion Cyclotron Resonance.
J.
Amer. Chem. Soc., 96, 3477 (1974)
By B. Grant and C. Djerassi.
819.
��� Mass Spectrometry in Structural and
Stereochemical Problems CCXLII. Analysis of Mixtures Based on the Distribution
of Fragment Ions Arising from Unimolecular Decomposition of Metastable
Molecular Ions.
J.
Amer. Chem. Soc., 96, 3482 (1974).
By D. H. Smith, C. Djerassi, K. H. Maurer and U. Rapp.
820.
��� Addition of Dichlorocarbene to
Steroidal Olefins. Preparation of a Stereoisomer of Demethylgorgosterol, a
Cyclopropane-containing Marine Sterol.
J.
Chem. Soc., Perkin I, 909 (1974).
By Y. M. Sheikh, J. Leclercq and C. Djerassi.
820A.�� Fertility Control Through Abortion: An
Assessment of the Period 1950-1980 (See No. 742).
In
"Biology for Survival" by R. Kane and G. A. Wistreich (eds.), Glencoe
Press (1974), pp. 180-184.
821.
��� Mass Spectrometry in Structural and
Stereochemical Problems CCXXXVI. Corrected Electron Impact Induced Migratory
Aptitudes in Aryl Phenyl Carbonates.
Org.
Mass Spect., 9, 551 (1974).
By D. A. Jaeger, K. B. Tomer, P. D. Woodgate, T. Gebreyesus, C. Djerassi and R.
H. Shapiro.
822.
��� Terpenoids LXIX. Capnellane - A New
Tricyclic Sesquiterpene Skeleton from the Soft Coral Capnella Imbricata.
Tetrahedron
Letters, 2239 (1974).
By M. Kaisin, Y. M. Sheikh, L. J. Durham, C. Djerassi, B. Tursch, D. Daloze, J.
C. Braekman, D. Losman and R. Karlsson.
823.
��� Magnetic Circular Dichroism Studies
XXVI. Magnetic Circular Dichroism Spectra of Porphyrin Dianions.
J.
Chem. Soc., Perkin II, 696 (1974).
By G. Barth, R. E. Linder, E. Bunnenberg and C. Djerassi.
824.
��� Mass Spectrometry in Structural and
Stereochemical Problems CCXLIII. Functional Group Interaction. Unusual
Fragmentations of Amides as Exemplified by Bipiperidyl Alkaloids.
J.
Amer. Chem. Soc., 96, 4917 (1974).
By W. L. Fitch and C. Djerassi.
825.���� Magnetic Circular Dichroism Studies XXVII.
The Electronic Structure of Ring Halogenated Difluorophenylcarbenium Ions.
J.
Amer. Chem. Soc., 96, 4569 (1974).
By Y. K. Mo, R. E. Linder, G. Barth, E. Bunnenberg and C. Djerassi.
826.���� Magnetic Circular Dichroism Studies XXIV.
Kinetic Studies of the Oxidation of Tryptophan in Proteins.
Liebig's
Ann. Chem., 990 (1974).
By G. Barth, R. E. Linder, E. Bunnenberg and C. Djerassi.
827.���� 24-ξ
Methylcholestane-3β,5α,6β,25-Tetrol 25-Monoacetate a Novel
Polyhydroxylated Steroid from an Alcyonarian.
Steroids,
24, 387 (1974).
By J. M. Moldowan, B. M. Tursch and C. Djerassi.
828.���� Alkaloid Studies LXVIII.� Novel Piperidyl Alkaloids from Lupinus
Formosus.
J.
Org. Chem., 39, 2974 (1974).
By W. L. Fitch, P. M. Dolinger and C. Djerassi.
829.���� Insect Control of the Future: Operational
and Policy Aspects.
Science,
186, 596 (1974).
By C. Djerassi, C. Shih-Coleman and J. Diekman.
830.���� Alkaloid Studies LXVII. Reinvestigation of
the Proton Resonance Spectrum of Vindolinine at 300 MHz.
Proc.
Nat. Acad. Sci., 71, 3797 (1974).
By L. J. Durham, J. N. Shoolery and C. Djerassi.
831.���� Magnetic Circular Dichroism Studies XXXIII.
The MCD Spectrum of Formaldehyde Vapor.
Chem.
Phys. Letters, 28, 490 (1974).
By R. E. Linder, G. Barth, E. Bunnenberg, C. Djerassi, L. Seamans and A.
Moscowitz.
832.���� Magnetic Circular Dichroism Studies
XXXV.� A Comparison of Cytochromes P-450
and P-448.
Proc.
Nat. Acad. Sci., 71, 4594 (1974).
By J. H. Dawson, P. M. Dolinger, J. R. Trudell, E. Bunnenberg, G. Barth, R. E.
Linder and C. Djerassi.
833.���� Steroids from Sponges.
Tetrahedron,
30, 4095 (1974).
By Y. M. Sheikh and C. Djerassi.
834.���� Magnetic Circular Dichroism Studies XXIX.
Magnetic Circular Dichroism Spectra of Magnesium and Zinc Octaethyl‑porphyrins
and their Five- and Six-co-ordinated Complexes.
J.
Chem. Soc. (Perkin Transactions II) 1706 (1974).
By G. Barth, R. E. Linder, E. Bunnenberg, C. Djerassi, L. Seamans and A.
Moscowitz.
835.���� Magnetic Circular Dichroism Studies XXX.
Vibronic Intensity in Metalloporphyrins.
J.
Chem. Soc. (Perkin Transactions II) 1712 (1974).
By R. E. Linder, G. Barth, E. Bunnenberg, C. Djerassi, L. Seamans and A.
Moscowitz.
836.���� Magnetic Circular Dichroism Studies XXXII.
CNDO Calculations of the Magnetic Circular Dichroism Spectra of 7- and 9-
Methyladenine.
Theoret.
Chim. Acta (Berl.), 36, 135 (1974).
By R. E. Linder, H. Weiler-Feilchenfeld, G. Barth, E. Bunnenberg and C.
Djerassi.
837.
��� A Stereoselective Synthesis of Two
Stereoisomers of Demethylgorgosterol.
J.
Amer. Chem. Soc., 97, 388 (1975)
By G. D. Anderson, T. J. Powers, C. Djerassi, J. Fayos and J. Clardy.
838.
��� Terpenoids LXX. Structure of the Sea
Cucumber Sapogenin Holotoxinogenin.
J.
Org. Chem., 40, 466 (1975).
By W. L. Tan, C. Djerassi, J. Fayos and J. Clardy.
839.���� Magnetic Circular Dichroism Studies XXXVI.
On the Magneto-Optical Activity of Singlet-Triplet Transitions in
Near-Symmetric Tops.
J.
Molecular Spectroscopy, 54, 412 (1975).
By L. Seamans, A. Moscowitz, R. E. Linder, E. Bunnenberg, G. Barth and C.
Djerassi.
840.���� Applications of Artificial Intelligence for
Chemical Inference XIV.� A General Method
for Predicting Molecular Ions in Mass Spectra.
J.
Org. Chem., 40, 770 (1975).
By R. G. Dromey, B. G. Buchanan, D. H. Smith, J. Lederberg and C. Djerassi.
841.���� 2,6-Dibromophenol and 2,4,6-Tribromophenols
- Antiseptic Secondary Metabolites of Phoronopsis Viridis.
Experientia,
31, 265 (1975).
By Y. Sheikh and C. Djerassi.
842.���� Turning a Powder Keg into a Fire Hose.
Bulletin
of the Atomic Scientists, 31, No. 6, 9 (1975).
By Carl Djerassi.
843.���� Magnetic Circular Dichroism Studies XXXI.
Thicketones
Spectrochimica Acta, 31A, 507 (1975).
By J. P. Engelbrecht, G. D. Anderson, R. E. Linder, G. Barth, E. Bunnenberg, C.
Djerassi, L. Seamans and A. Moscowitz.
844.
��� Magnetic Circular Dichroism Studies
XXXIV. Improved Instrumentation for MCD Measurements.
Anal.
Biochem., 65, 100 (1975).
By G. Barth, J. H. Dawson, P. M. Dolinger, R. E. Linder, E. Bunnenberg and C.
Djerassi.
845.
��� Magnetic Circular Dichroism Studies
XXXVII.� Theoretical Analysis of the MCD
Spectra of Some Singlet-Triplet Transitions in Formaldehyde.
J.
Molecular Spectroscopy, 56, 441 (1975).
By L. Seamans, A. Moscowitz, R. E. Linder, E. Bunnenberg, C. Barth and C.
Djerassi.
846.���� Perkin Medal Award Address: Mao Tse Tung
says "Mankind Ought to Exercise Self Control!" Freeman Dyson Asks
"What Are the Hidden Costs of Saying No?"
Chemistry
& Industry (London), 593 (1975).
By Carl Djerassi.
847.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXLV.� The
Electron Impact Induced Fragmentation Reactions of 17-Oxygenated Progesterones.
Steroids,
25, 817 (1975).
By S. Hammerum and C. Djerassi.
848.���� Synthesis of Sterols with Modified Side
Chains.
Steroids,
26, 129 (1975).
By Y. M. Sheikh and C. Djerassi.
849.���� 24ξ-Methylcholestane-3β,5α,6β,12β,25-Pentol
25- Monoacetate, a Novel Polyoxygenated Marine Sterol.
Steroids,
26, 107 (1975).
By J. M. Moldowan, W. L. Tan and C. Djerassi.
850.���� Natural Products Chemistry, 1950-1980 - A
Personal View.
Pure
& Applied Chemistry, 41, 113 (1975).
By Carl Djerassi.
851.���� Applications of Artificial Intelligence for
Chemical Inference XVII. An Approach to Computer Assisted Elucidation of
Molecular Structure.
J.
Amer. Chem. Soc., 97, 5755 (1975).
By R. E. Carhart, D. H. Smith, H. Brown and C. Djerassi.
852.���� C13 NMR Spectra of Sapogenins.
Tetrahedron
Lett., 3635 (1975).
By H. Eggert and C. Djerassi.
853.���� Optical Rotatory Dispersion Studies CXX.
Synthesis and Circular Dichroism of Chiral 3-Deuterio�cyclopentanone.
Tetrahedron
Lett., 3671 (1975).
By J. W. Simek, D. C. Mattern and C. Djerassi.
854.���� Magnetic Circular Dichroism of
Nitroalkanes.
J.
Chem. Soc. Chem. Comm., 672 (1975)
By G. Barth, N. Waespe-Sarcevic, R. E. Linder, E. Bunnenberg, C. Djerassi, L.
Seamans and A. Moscowitz.
855.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXLIV. The Influence of Substituents and
Stereochemistry on the Mass Spectral Frag�mentation of Progesterone.
Tetrahedron,
31, 2391 (1975).
By S. Hammerum and C. Djerassi.
����
856.���� Magnetic
Circular Dichroism of Ferrous Carbonyl Adducts of Cytochromes P-450� and P-420 and Their Synthetic Models: Further
Evidence for Mercaptide as the Fifth Ligand to Iron.
Proc.
Nat. Acad. Sci.,
73, 6 (1976)
by
J. P. Collman, T. N. Sorrell, J.H. Dawson, J. R. Trudell, E. Bunnenberg
and C. Djerassi.
857.���� Carbon-13 Nuclear Magnetic Resonance
Spectra of Hydroxy Steroids.
J.
Org. Chem.,
41, 71 (1976)
by
H. Eggert, C. L. VanAntwerp, N. S. Bhacca and C. Djerassi.
858.���� A Modest Proposal for Increased North-South
Interaction Among Scientists.
Bulletin
of the Atomic Scientists, 32, No. 2, 56 (1976)
by
C. Djerassi.
859.���� Applications
of Artificial Intelligence for Chemical Inference XIX. Computer Generation of
Ion Structures.
Org.
Mass Spectrom.,
11, 86 (1976)
�
860.���� Magnetic
Circular Dichroism Studies XXXIX. The MCD Spectrum of Formaldehyde-d2
Vapor.
Chemical
Physics Letters,
38, 28 (1976)
by
R. E. Linder, G. Barth, E. Bunnenberg, C. Djerassi, L. Seamans and A.
Moscowitz.
860A.�� A
High Priority? Research Centers in Developing Nations
�������������������� by
C. Djerassi (see No. 620).
Reprinted
from Bulletin of the Atomic Scientists, 24,�
23 (1968), in Views of Science, Technology and Development, E.
and V. Rabinowitch, eds., Pergamon Press, Oxford, 1975.
861.���� Magnetic
Circular Dichroism Studies XLI. Magnetic Circular Dichroism of the 3B3u
�1Ag� Excitation in Pyrazine.
Chem.
Phys,,
13, 135 (1976)
by
L. Seamans, A. Moscowitz, R. E. Linder, G. Barth, E. Bunnenberg and
C. Djerassi.
862.���� The
Mechanism of the Cyanoborohydride Reduction of
,Unsaturated Tosylhydrazones.
J.
Amer. Chem. Soc.,
98, 2276 (1976)
by
E. J. Tayler and C. Djerassi.
863.���� Terpenoids LXXI.
Chemical Studies of Marine Invertebrates XIV. Four Representatives of a
Novel Sesquiterpene Class: The Capnellane Skeleton.
Tetrahedron
Letters,
No. 32, 1171 (1976)
by
Y. M. Sheikh, G. Singy, M. Kaisin, H. Eggert, C. Djerassi, B. Tursch,
D. Daloze and J. C. Braekman.
864.���� Magnetic
Circular Dichroism Studies XLII. The Vapor Phase Magnetic Circular Dichroism
Spectrum of the 3Au�1Ag
Excitation of Glyoxal.
Chem.
Phys. Letters,
39, 411 1976
by
R. E. Linder, G. Barth, E. Bunnenberg, C. Djerassi, L. Seamans and A.
Moscowitz.
865.���� Magnetic
Circular Dichroism Studies XLIII. Oxidized Cytochrome P-450: Magnetic Circular
Dichroism Evidence for Thiolate Ligation in the Substrate-Bound Form.
Implications for the Catalytic Mechanism.
J.
Amer. Chem. Soc.,
98, 3707 (1976)
by
J. H. Dawson, R. H. Holm, J. R. Trudell, G. Barth, R. E. Linder,
E. Bunnenberg, C. Djerassi and S. C. Tang.
866.���� Magnetic
Circular Dichroism Studies XLIV. Chloroperoxidase: Evidence for P-450 Type Heme
Environment from Magnetic Circular Dichroism Spectroscopy.
J.
Amer. Chem. Soc.,
98, 3709 (1976)
by
J. H. Dawson, J. R. Trudell, G. Barth, R. E. Linder, E. Bunnenberg, C.
Djerassi, R. Chiang and L. P. Hager.
867.���� Ronneby 1967 Revisited.
Proceedings
of the 25th Pugwash Conference on Science and World Affairs, Madras, Jan. 13-19,
1976, 227 (1976)
by
C. Djerassi.
868.���� Applications
of Artificial Intelligence for Chemical Inference XXI. Chemical Studies of� Marine Invertebrates XVII. The
Computer-Assisted Identification of [+]-Palustrol in the Marine Organism Cespitularia
sp., aff. Subviridis.
Tetrahedron
Letters,
No. 32, 1807 (1976)
by
C. J. Cheer, D.H. Smith, C. Djerassi, B. Tursch, J. C. Braekman and
D. Daloze.
869.���� Applications
of Artificial Intelligence for Chemical Inference XXII. Automatic Rule� Formation in Mass Spectrometry by Means of
the Meta-DENDRAL Program.
J.
Amer. Chem. Soc.,
98, 6168 (1976)
by
B. G. Buchanan, D. H. Smith, W. C. White, R. G. Gritter,
E. A. Feigenbaum, J. Lederberg and C. Djerassi.
870.���� Optical
Rotatory Dispersion Studies CXXI. Verification of the Absolute Configuration of
2-Methylcyclohexanone.
Tetrahedron
Letters,
No. 43, 3877 (1976)
by
C. J. Cheer and C. Djerassi.
871.���� Magnetic
Circular Dichroism Studies XLVII. Cyclobutanones and Acyclic Ketones.
Spectroscopy
Letters,
9 (11), 777 (1976)
by
J. S. Dixon, R. E. Linder, G. Barth, E. Bunnenberg, C. Djerassi,
L. Seamans and A. Moscowitz.
872.���� Occurrence of 19-Nor Cholesterol and
Homologs in Marine Mammals.
Tetrahedron
Letters,
No. 39, 3491 (1976)
by
S. Popov, R. M. K. Carlson, AM. Wegmann and C. Djerassi.
873.���� Minor and Trace Sterols in Marine
Invertebrates.
1. General Methods of Analysis.
Steroids, 28, 699
(1976)
by
S. Popov, R. M. K. Carlson, A. Wegmann and C. Djerassi.
874.���� Mass
Spectrometry in Structural and Stereochemical Problems CCXLVI. Electron Impact
Induced Fragmentation of Juvenile Hormone Analogs.
Organic
Mass Spectrometry,
11, 1120 (1976)
by
L. L. Durham, C. A. Henrick, D. H. Smith and C. Djerassi.
875.���� The Manufacture of Steroidal
Contraceptives: Technical Versus Political�������������� .���������� Aspects.
Proc.
Royal Society of London. B. 195, 175 (1976)
by
C. Djerassi.
876.���� Bioconversion
of Lanosterol into Holotoxinogenin, a Triterpenoid from the Sea Cucumber Stichopus
Californicus.
Journal
of the Chemical Society Chemical Communications, (London),1057
(1976)
by
C. Djerassi.
877.���� Mass
Spectrometry in� Structural and
Stereochemical� Problems CCXLVII.� Electron-Impact Induced Fragmentation of
Allenes.
J.
Amer. Chem. Soc.,
99, 532 (1977)
by
J. R. Wiersig, A. N. H. Yeo and C. Djerassi.
878.���� Magnetic
Circular Dichroism Studies LI. Magnetic Circular Dichroism Studies of Non-Iron
�Hyper� Porphyrin Complexes as Models for Reduced + CO Cytochrome P-450.
J.
Amer. Chem. Soc.,
99, 641 (1977)
by
J. H. Dawson, J. R. Trudell, G. Barth, R. E. Linder, E.
Bunnenberg, C. Djerassi, M. Gouterman, C. R. Connell and
P. Sayer.
879.���� Magnetic
Circular Dichroism Studies XLVIII. Structural-Vibrational Effects in Magnetic
Circular Dichroism Spectra.
J.
Amer. Chem. Soc.,
99, 724 (1977)
by
L. Seamans, A. Moscowitz, R. E. Linder, K. Morrill,� J. S. Dixon, G. Barth, E. Bunnenberg and
C. Djerassi.
880.���� Magnetic
Circular Dichroism Studies XLIX. An Expiscation of Structural-Vibrational
Effects in Magnetic Circular Dichroism of Saturated Ketones.
J.
Amer. Chem. Soc.,
99, 727 (1977)
by
R. E. Linder, K. Morrill,� J. S.
Dixon, G. Barth, E. Bunnenberg, C. Djerassi, L. Seamans and
A. Moscowitz.
881.���� Novel
Marine Sterols with Modified Bile Acid Side Chains from the Sea Pen Ptilosarcus
gurneyi.
Tetrahedron
Letters,
No. 8, 683 (1977)
by
D. J. Vanderah and C. Djerassi.
882.���� Additivity
Relationships in Carbon-13 Nuclear Magnetic Resonance Spectra of Dihydroxy
Steroids.
J. Org. Chem., 42, 789
(1977)
by C.
VanAntwerp, H. Eggert, G. D. Meakins, J. O. Miners and
C. Djerassi.
883.���� Magnetic
Circular Dichroism Studies XLV. A Comparison between the Magnetic Circular
Dichroism and Shpol�skii Spectra of Palladium, Zinc, and Magnesium Porphin.
J. Chem. Soc., Perkin II,
337 (1977)
by G. Barth,
R. E. Linder, N. Waespe-Sarcevic, E. Bunnenberg,
C. Djerassi, Y. J. Aronowitz and M. Gouterman.
884.���� Isolation,
Structure Determination and Synthesis of New Acetylenic Steroids from the
Sponge Calyx nicaaensis.
Helv.
Chim. Acta,
60, 475 (1977)
by
E. Steiner, C. Djerassi, E. Fattorusso, S. Magno,
L. Mayol, C. Santacroce and D Sica.
885.�� Sterols from Marine Sources.
����������������� �� in Marine Natural Products Chemistry
(D. J. Faulkner and W. H. Fenical, eds.),
Plenum
Publishing Corp., New York, 1977, pp. 111-123,
by
C. Djerassi, R. M. K. Carlson, S. Popov and
T. H. Varkony.
886.���� Magnetic
Circular Dichroism Studies XLVI. Structure and the Magnetic Circular Dichroism
of Trans-2-decalones and Bicyclo[2.2.2]octan-2-ones.
Tetrahedron
Letters,
No. 33, 907 (1977)
by
K. Morrill, R. E. Linder, E. M. Bruckmann, G. Barth,
E. Bunnenberg, C. Djerassi, L. Seamans and A. Moscowitz.
887.���� Mass
Spectrometry in Structural and Stereochemical Problems CCXLVIII. Stereochemical
Effects in Electron Impact Induced Retro-Diels�Alder Fragmentations.
J.
Amer. Chem. Soc.,
99, 3432 (1977)
by
J. S. Dixon, I. Midgley and C. Djerassi.
888.���� Magnetic
Circular Dichroism Studies 1. Convenient Quantitative Determination of
Uraporphyrin and Coproporphyrin in Urine Samples.
Anal.
Biochem.,
80, 20 (1977)
by
G. Barth, R. Records, R. E. Linder, E. Bunnenberg, and
C. Djerassi.
889.���� The
Citizen and the Expert.
in
Science, An American Bicentennial View, pp. 63-66,
National
Academy of Sciences, Washington, D.C., 1977.
by
C. Djerassi.
890.���� Terpenoids
LXXIII. Sinularene, a Sesquiterpene Hydrocarbon Based on a Novel Skeleton from
the Soft Coral, Sinularia mayi.
Tetrahedron
Letters,
No. 28, 2395 (1977)
by
C. M. Beechan, C. Djerassi, J. S. Finer and
J. Clardy.
891.���� Factors
Governing the Relative Stabilities of the C/D Cis and Trans Ring
Junctures in 8-11-Keto Steroids.
J.
Org. Chem.,
42, 2365 (1977)
by
D. G. Patterson, C. Djerassi, Y. Yuh and
N. L. Allinger.
892.���� Biosynthesis
of Sterols in the Sea Cucumber Stichopus Californicus.
Tetrahedron
Letters, �No. 36, 3111 (1977)
by
Y. M. Sheikh and C. Djerassi.
893.���� Mass Spectrometry in Structural and
Stereochemical Problems CCL. Characteristic Fragmentations of Cholesterol
Acetate.
J.
Org. Chem.,
42, 2799 (1977)
by
L. G. Partridge and C. Djerassi.
894.���� Pesticide
Development � Sociological and Etiological Background.
in
Proceedings of the XV International Congress of Entomology,
pp. 712-713, Washington, D.C., August 19-27, 1976.
by
C. Djerassi.
895.���� Terpenoids�LXXII.
Chemical Studies of Marine Invertebrates�XXVI. 9(12)-Capnellene-3,8,10,14-Tetrol,
a Novel Polyoxygenated Sesquiterpene from the Alcyonarian Capnella imbricata.
Tetrahedron
Letters,
No. 33, 2115 (1977)
by
Y. M. Sheikh, C. Djerassi., J. C. Braekman,
D. Daloze, M. Kaisin, B. Tursch and R. Karlsson.
896.���� Synthesis
of Cholest-5-ene-3,11,15 -triol-7-one. A Model for the
Steroid Nucleus of Oogoniol, a Sex Hormone of the Water Mold Achlya.
J.
Org. Chem.,
42, 3571 (1977)
by
E. J. Taylor and C. Djerassi.
897.���� A
Convenient Synthesis of Progesterone from Stigmasterol.
J.
Org. Chem.,
42, 3633 (1977)
by
P. Sundararaman and C. Djerassi.
898.���� Mass Spectrometry in Structural and
Stereochemical Problems CCXLIX. Elucidation of the Course of the Characteristic
Ring D Fragmentation of Unsaturated Steroids.
J.
Amer. Chem. Soc.,
99, 7686 (1977)
by
L. G. Partridge, I. Midgley and C. Djerassi.
899.���� Magnetic Circular Dichroism Studies LIII.
The MCD Spectra of Some 8-Azapurines.
Theoret.
Chim. Acta
(Berl.), 46, 79 (1977)
by
H. Weiler-Feilchenfeld, R. E. Linder, G. Barth, E. Bunnenberg
and C. Djerassi.�
900.���� Magnetic
Circular Dichroism Studies LII. Magnetic Circular Dichroism of Purified Forms
of Rabbit Liver Cytochromes P-450 and P-420.
Biochemistry, 17, 33
(1978)
by
J. H. Dawson, J. R. Trudell, R. E. Linder, G. Barth, E. Bunnenberg
and C. Djerassi.
901.���� Optical
Rotatory Dispersion Studies CXXII. Synthesis and Circular Dichroism of
(3S)-Deuteriocyclohexanone.
Tetrahedron
Letters,
No. 6, 535 (1978)
by
C. Djerassi, C. L. VanAntwerp and P. Sundararaman.
902.���� Hommes Affam�s, Parasites Affam�s.
Prospective et Sant�, No. 4, 87 (1978)
by
C. Djerassi.
903.���� Marine
Natural Products. Synthesis of Four Naturally Occurring 20H
Cholanic Acid Derivatives.
J.
Org. Chem.,
43, 1442 (1978)
by
D. J. Vanderah and C. Djerassi.
904.���� One
Step Conversion of Aldehydes to Esters.
Tetrahedron
Letters,
No. 19, 1627 (1978)
by
P. Sundararaman, E. C. Walker and C. Djerassi.
905.���� Terpenoids
LXXV. Δ9(12)-Capnellene, a New Sesquiterpene Hydrocarbon from
the Soft Coral Capnella Imbricata.
�� Tetrahedron
Letters, No. 19, 1671 (1978)
by
E. Ayanoglu, T. Gebreyesus, C. M. Beechan, C. Djerassi and M. Kaisin.
906.���� Applications
of Artificial Intelligence for Chemical Inference XXVII. Computer-Assisted
Structure Manipulation. Studies in the Biosynthesis of Natural Products.
Tetrahedron
Letters,
No. 34, 841 (1978)
by
T. H. Varkony, D. H. Smith and C. Djerassi.
907.���� Recent Advances in the Mass Spectrometry of
Steroids.
Pure
and Appl. Chem.,
50, 171 (1978)
by
C. Djerassi.
908.���� Optical Rotatory Dispersion Studies CXXIII.
Experimental Evidence for Preference of Axial Deuterium over Axial Hydrogen.
J.
Amer. Chem. Soc.,
100, 3965 (1978)
by
S.F. Lee, G. Barth, K. Kieslich and C. Djerassi.
909.���� Optical
Rotatory Dispersion Studies CXXIV. Synthesis and Circular Dichroism of 3(S)a-
and 3(R)e-Deuterio-4(R)-t-Butyl-cyclohexanone and 2(R)a-
and 2(S)e-Deuterio-4(R)-Isopropyl-cyclohexanone.
Tetrahedron
Letters,
No. 28,� 2457 (1978)
by
P. Sundararaman and C. Djerassi.
910.���� Minor and Trace Sterols in Marine
Invertebrates IV. Identification of Short Side Chain Sterols in the Sponge Damiriana
hawaiiana.
Helvetica
Chimica Acta,
61, 1470 (1978)
by
C. Delseth, R. M. K. Carlson, C. Djerassi,
T. R. Erdman and P. J. Scheuer.
911.���� Coping with Interdependence: The Population
Problem.
in
Proceedings of the Symposium on Energy, Food, Population and World
Interdependence, pp. 40-43, 5355, Committee on Chemistry and Public
Affairs, American Chemical Society, Washington, D.C., 1978.
by
C. Djerassi.
912.���� Minor
and Trace Sterols in Marine Invertebrates V. Isolation, Structure Elucidation
and Synthesis of 3-Hydoxy-26,27-Bisnorcholest-5-en-24-one from the
Sponge Psammaplysilla purpurea.
Steroids, 31, 815
(1978)
by
E. Ayanoglu, C. Djerassi, T. R. Erdman and
P. J. Scheuer.
913.���� Terpenoids
LXXIV. The Sesquiterpenes from the Soft Coral Sinularia mayi.
Tetrahedron
Letters,
No. 34, 2503 (1978)
by
C. M. Beechan, C. Djerassi and H. Eggert.
914.���� Minor
and Trace Sterols in Marine Invertebrates VII. 24-Ethyl-5,24(28),28-cholestatrien-3ol
� a Naturally Occurring Allenic Marine Sterol.
J.
Amer. Chem. Soc.,
100, 5574 (1978)
by
N. Theobald, J. N. Shoolery, C. Djerassi,
T. R. Erdman and P. J. Scheuer.
915.���� Applications
of Artificial Intelligence for Chemical Inference XXVIII. Computer-Assisted
Simulation of Chemical Reaction Sequences. Applications to Problems of
Structure Elucidation.
J.
Chem. Inf. Comput. Sci., 18, 168 (1978)
by
T. H. Varkony, R. E. Carhart, D. H. Smith and C. Djerassi.
916.���� Birth Control after 1984 Revisited.
Bull.
Amer. Acad. of Arts and Sciences, 32 (1), 22 (1978)
by
C. Djerassi.
917.���� Determination
of the Absolute Configuration of Stelliferasterol and Strongylosterol � Two
Marine Sterols with �Extended� Side Chains.
Tetrahedron
Letters,
No. 45, 4369 (1978)
by
N. Theobald and C. Djerassi.
918.���� Minor
and Trace Sterols in Marine Invertebrates IX. Verongulasterol � A Marine Sterol
with a Novel Side Chain Alkylation Pattern.
Tetrahedron
Letters,
No. 45, 4373 (1978)
by
W. C. M. C. Kokke, W. H. Fenical,
C. S. Pak and C. Djerassi.
919.���� Optical
Rotatory Dispersion Studies CXXVI. Synthesis and Chiroptical Properties of
Cyclohexanones with Chiralty Solely Due to Isotopic Substitution: 12CH3
vs. 13CH3 and CH3 vs. CD3.
Tetrahedron
Letters,
No. 45, 4377 (1978)
by
C. S. Pak and C. Djerassi.
920.���� Minor
and Trace Sterols in Marine Invertebrates X. Isolation and Structure of
26,27-Cycloaplysterol (Petrosterol). A Cyclopropane-Containing Marine Sterol.
Tetrahedron
Letters,
No. 45, 4379 (1978)
by
B. N. Ravi, W. C. M. C. Kokke, C. Delseth
and C. Djerassi.
921.���� Minor
and Trace Sterols in Marine Invertebrates VIII. Isolation, Structure
Elucidation and Partial Synthesis of Two Novel C30 Marine Sterols �
Stelliferasterol and Isostelliferasterol.
J.
Amer. Chem. Soc.,
100, 7677 (1978)
by
N. Theobald, R. J. Wells and C. Djerassi.
922.���� Optical
Rotatory Dispersion Studies CXXV. Independent Evidence for Preference of Axial
Deuterium vs. Axial Hydrogen through Variable-Temperature Circular Dichroism
Spectra of (4S)-2,2-Dimethyl-4-deuteriocyclohexanone and (3S)-3 Deuterio-4,4-dimethylcyclohexanone.
J.
Amer. Chem. Soc.,
100, 8010 (1978)
by
S. F. Lee, G. Barth and C. Djerassi.
923.���� Partial
Reduction of Aquomethemoglobin on a Sephadex G-25 Column as Detected by
Magnetic Circular Dichroism Spectroscopy and Revised Extinction Coefficients
for Aquomethemoglobin.
Analytical
Biochemistry,
90, 474 (1978)
by
R. E. Linder, R. Records, G. Barth, E. Bunnenberg, C. Djerassi,
B. E. Hedlund, A. Rosenberg, E. S. Benson,
L. Seamans and A. Moscowitz.
924.���� Minor
and Trace Sterols in Marine Invertebrates VI. Occurrence and Possible Origins
of Sterols Possessing Unusually Short Hydrocarbon Side Chains.
Bioorganic
Chemistry,
7, 453 (1978)
by
R. M. K. Carlson, S. Popov, I. Massey,
C. Delseth, E. Ayanoglu, T. H. Varkony and
C. Djerassi.
925.���� A
Novel Role of Computers in the Natural Products Field.
Naturwissenschaften, 66, 9 (1979)
by
C. Djerassi, D. H. Smith and T. H. Varkony
926.���� The
Synthesis of Demethylgorgosterol.
Tetrahedron
Letters
No. 9, 767 (1979)
by
R. D. Walkup, G. D. Anderson and C. Djerassi.
.
927.���� Applications
of Artificial Intelligence for Chemical Inference XXIX. Exhaustive Generation
of Stereoisomers for Structure Elucidation.
J.
Amer. Chem. Soc.,
101, 1216 (1979)
by J. G. Nourse,
R. E. Carhart, D. H. Smith. and C. Djerassi.
928.���
Minor and Trace Sterols in Marine Invertebrates XI. 5-24-Norcho1estan-3-o1
and (24Z)-Stigmasta-5,7,24(28)-trien3-ol,� Two New Marine Sterols
from the Pacific Sponges Terpios Zeteki and Dysidea Herbacea.
He1v.
Chim. Acta,
62, 101 (1979).
By C. Delseth,
L. Tolela, P. J. Scheuer, R. J. Wells and C. Djerassi.
929.�� Future Prospects in Male Contraception.
The
Stanford Magazine,
7, No.1, 58-63, 71 (1979).
By Carl Djerassi.
930.��
Stereochemical Course of the Chemical and Catalytic Reduction of
11-Oxo-5,14-cho1est-8-en-3-o1. Synthesis of 8α,9α,
14β- ,8α, 9β,14β-, and 8β,9α,14β-Steroids.
J.
Org. Chem.,
44, 1866 (1979).
By D. G.
Patterson and C. Djerassi.
931.��
Terpenoids - LXXVI.��
Precapnelladiene, a Possible Bio-synthetic Precursor of the Capnellane
Skeleton.
Tetrahedron
Letters,
No. 35, 1035 (1979).
By E.
Ayanog1u, T. Gebreyesus, C. M.� Beechan
and C. Djerassi.
932.� Sterols with Cyclopropane-Containing Side
Chains: Synthesis and Acid Isomerization.
Helv.
Chim. Acta,
62, 1210 (1979).
By
C. Tarchini, M. Rohmer and C. Djerassi.
933.��
Minor and Trace Sterols in Marine Invertebrates Xll. Occurrence of
24(R+S)- Isopropenylcholesterol, 24(R+S)-Methylcholesta-5,
25-dien-3-ol, and 24(R+S)- Methylcholesta-7, 25-dien-3-ol in
the Caribbean Sponge, Veronqia Cauliformis.
Helv.
Chim. Acta,
62, 1310 (1979)
By W.C.M.C. Kokke, C. S. Pak, W. Fenical and
C. Djerassi.
934.��
Structural and Stereochemical Applications of Mass Spectrometry in the
Marine Sterol Field 252. Synthesis and Electron Impact Induced Mass Spectral
Fragmentation of ∆24�
and ∆24(28)-3-Hydroxy-∆5-sterols.
J.
Org. Chem.,� 44,,�
2448 (1979)
By
I.J. Massey and C. Djerassi..
935.
Use
of� N-Lithioethylenediamine in the Double
Bond Isomerization and Degradation of Sterol Side Chains.
����������������� Tetrahedron Letters,
No. 35, 1591 (1979)
By
E. Ayanoglu,� A. Chan and C. Djerassi.
936.��
Recent Progress in the Marine Sterol Field.
Pure
and Applied Chemistry,� 51, 1815 (1979)
By
C. Djerassi, N. Theobald, W.C.M.C. Kokke,
C.S.
Pak, and R.M.K. Carlson.
937.�� Isolation and Synthesis of� 23-Methyl-22-dehydrocholesterol - A Marine
Sterol of Biosynthetic Significance
Tetrahedron Letters, No. 38, 3601
(1979)
By W.C.M.C. Kokke, N.W. Withers, I.J. Massey,
W.
Fenical and C. Djerassi.
938.�� Isolation of Sterols with
Cyclopropyl-Containing Side Chains from the Cultured Marine Alga Peridinium
Foliaceum.
Tetrahedron
Letters,
No. 38, 3605 (1979)
By
N.W. Withers, W.C.M.C. Kokke, M. Rohmer,
W.
Fenical and C. Djerassi.
939.� Side Chain-Hydroxylated Sterols of the Red
Alga Asparagopsis Armata:�
Significant Products or Artifacts Due to Autoxidation?
Steroids, 34, 163
(1979)
By
C. Francisco, G. Combaut, J. Teste,
�C. Tarchini and C. Djerassi.
940.�� Stereospecific Synthesis of the Side Chain
of the Steroidal Plant Sex Hormone Oogoniol.
J.
Org. Chem.,
44, 3374 (1979)
By
J.R. Wiersig, N. Waespe-Sarcevic and
C.
Djerassi
941.�� Minor and Trace Sterols in Marine
Invertebrates XIII.� Isolation, Structure
Elucidation and Partial Synthesis of�
Xestosterol, a Biosynthetically Significant Sterol from the Sponge Xestospongia
Muta.
J.
Org. Chem.,
44, 3385 (1979)
By
W.C.M.C. Kokke, C. Tarchini, D.B. Stierle
and
C. Djerassi.
942.�� Synthesis of 3-Hydroxy-22,
23-methano-24-norcholest-5-ene for Comparison with Cystosterol.
Helv.
Chim. Acta,
62, 1940 (1979)
By
F. Gulacar and C. Djerassi.
943.�� Magnetic Circular Dichroism Studies LV. The
Aliphatic Nitro Chromophore.
J.
Chem. Soc.,
Perkin II, 907 (1979)
By
G. Barth, N. Waespe-Sarcevic, R.E. Linder,
E.
Bunnenberg, C. Djerassi, L. Seamans and
A.
Moscowitz.
944.�� Optical Rotatory Dispersion Studies 127.
Chirality Due to l3C Substitution.�
Synthesis and Chiroptical Properties of (l S)-2-Adamantanone-4-13C
and (1S)-2,4 �Adamantanedione-4-13C.
J.
Amer. Chem. Soc.,
101, 5155 (1979);� correction:
page 7439�
By
Y.L. Sing, H. Numan, Hans Wynberg and Carl Djerassi.
945.��
Preface to "In� Celebration
of� Paul Klee",�� Stanford Art Book 18,� Stanford University, 1979,� pp. 7-8.�
By Carl Djerassi.
946.��
Minor and Trace Sterols in Marine Invertebrates XIV. Ergosta-5,7,9
(11),22-tetraen-3-o1 and Its 24-Ethyl Homolog.� Two New Marine Sterols from the Red Sea Sponge
Biemmna Fortis.
Helv.
Chim. Acta,
62, 2037 (1979)
By
C. Delseth, Y. Kashman and C. Djerassi.
947.�� Mass Spectrometry in Structural and
Stereochemical Problems 251.� Mass
Spectrometric Studies with Unsaturated Hydrocarbons:� Halogen Migration in Acetylenes and Olefins.
Z. f�r Naturforschung, 34(B) 1612 (1979)
By K. K. Mayer,� I.� Matlovic, E. Fischer
and� C.�
Djerassi.
948.��
Mass Spectrometry in Structural and Stereochemical Problems 254.� Elucidation of the Course of the Electron
Impact Induced Fragmentation of ,-Unsaturate 3-Keto Steroids.
J. Amer. Chem. Soc., 102, 807
(1980)
By F. J. Brown and C. Djerassi.
949. �� A
New Look at Contraceptive Testing.
����������������������� IPPF
Medical Bulletin, 14, No.1, 1-2 (1980)
����������������������� By Carl Djerassi.�
950.��
"The U. S. Is Playing Politics with Contraceptive Research".
In Commentary/Today, Oakland
Tribune, February 21, 1980.
By
Carl Djerassi.
951.�� Mass Spectrometry in Structural and
Stereochemical Problems 255.� Electron
Impact Induced Fragmentation of Steroidal Diketones with �Abnormal�� Stereochemistry.
Org.
Mass Spectrom.,
15, 41 (1980)
By
D. G.Patterson, A. Lavanchy and C. Djerassi.
952.�� Magnetic Circular Dichroism Studies LVII.
The Magnetic� Circular Dichroism Spectrum
of Carbon Disulfide.
J.
Chem.� Phys., 72, 1423
(1980)
By
G. Barth, R. E. Linder, E. Bunnenberg, C.
Djerassi,
L. Seamans and� A. Moscowitz.
953.�� Magnetic Circular Dichroism Studies LVIII.
Theoretical Analysis of the Magnetic Circular Dichroism Spectrum of Carbon
Disulfide.
J.
Chem. Phys.,
72, 1428 (1980)
By
L. Seamans, A. Moscowitz, R. E. Linder, G.
Barth,
E. Bunnenberg and C. Djerassi.
954.��
Minor and Trace Sterols in Marine Invertebrates XV. Ficisterol� (
23-Ethyl-24-methyl-27-norcholesta-5,25-dien-3-o1).� A Biosynthetically
Unprecedented Sterol from the Marine Sponge�
Petrosia Ficiformis.
J.
Amer. Chem. Soc.,
102, 2133 (1980)
By
M. W. Khalil, L. J. Durham, C. Djerassi and D. Sica.
955.��� "Biological Implications of Recent
Discoveries in the Marine Sterol Field".�
In Frontiers of Bio-organic Chemistry�
and� Molecular Biology ����(S. N. Ananchenko, Ed.),����������� .������� .���������� Pergamon Press, Oxford, 1980,
pp. 211-224.
By� R. M. K. Carlson, C. Tarchini and C.
Djerassi.
�956. � Optical
Rotatory Dispersion Studies 128. Octant Contributions of Methyl Groups in
4-tert-Butylcyclohexanones.
J.
Amer. Chem. Soc.,
102, 2737 (1980)
By
J. P. Konopelski, P. Sundararaman, G. Barth and C. Djerassi.
957.
"The
Contraceptive Supermarket".� In INA
Daily Report for Wednesday,� April
16,���� 1980. Independent News Alliance,
New York, 1980.� By Carl Djerassi.
�958. �� Isolation of Two New C30 Sterols,
(24E)-24N-Propylidene-cholesterol and 24-N-Propylcholesterol, from a
Cultured Marine Chrysophyte.
Steroids, 35, 219
(1980)
By
M. Rohmer, W.C.M.C. Kokke, W. Fenical and C. Djerassi.
�959.��
Synthesis of Ficisterol - The First Natural Sterol with 23-Ethyl
Substitution.
Tetrahedron
Letters,
No. 21, 1603 (1980)
By� M. Karpf and C. Djerassi.
�960.��
Minor and Trace Sterols in Marine Invertebrates XVI. 3-Hydroxymethyl-A-Nor-5-Gorgostane,
a Novel Sponge Sterol.
Steroids, 35, 295
(1980)
By
L. Bohlin, H. P. Gehrken, P. J. Scheuer and C. Djerassi.
961.���� Synthesis of Chiral Conformationally Fixed
Cyclohexanones.
J.
Org. Chem.,
45, 2297 (1980)
By
J. P. Konopelski and C. Djerassi.
962.��� Optical Rotatory Dispersion Studies
130.� Additivity of Deuterium Octant
Contributions in Cyclohexanone.
J.
Org. Chem.,
45, 2680 (1980)
By
M. T. Edgar, G. Barth and C. Djerassi.
963.�� Optical Rotatory Dispersion Studies
129.� Conformational Isotope Effects and
Octant�� Contributions of CD3
and 13CH3 Groups in Cyclohexanone.
J.
Amer. Chem. Soc.,
102, 4784 (1980)
By
S-F.� Lee, M. T. Edgar, C. S. Pak, G.
Barth and C. Djerassi.
964.�� Minor and Trace Sterols in Marine
Invertebrates XVII. (24R)-24, 26-Dimethylcholesta-5,26-dien-3-ol, a New
Sterol from the Sponge Petrosia Ficiformis.
Steroids, 35, 707
(1980)
By
M. W.� Khalil, C. Djerassi and D. Sica.
965.��� Synthesis and Biochemical Screening of
Phenylselenium- Substituted Steroid Hormones.
J.
Med. Chem.,
23, 722 (1980)
By
J. P. Konopelski, C. Djerassi and J. P. Raynaud.
966. ��� The
Politics of Contraception - The View from Beijing.
New
England J. Med.,
303, No.6, 334 (1980)
By
C. Djerassi.
967.���
Injectable Contraceptive Synthesis: An Example of International
Cooperation.
Science, 209, 992
(1980)
By
P. Crabbe, E. Diczfalusy and C. Djerassi.
968.��� Applications of Artificial Intelligence for
Chemical Inference XXXIII.�
Computer-Assisted Elucidation of Molecular Structure with
Stereochemistry.
J.
Amer. Chem. Soc.,
102, 6289 (1980)
By
J.G. Nourse, D. H. Smith, R. E. Carhart and C. Djerassi.
969.�� Applications of Artificial Intelligence for
Chemical Inference XXXII.� Rule-based
Mass Spectrum Prediction and Ranking: Applications to Structure Elucidation of
Novel Marine Sterols.
Org.
Mass Spectrom.,
15, 355 (1980)
By
A. Lavanchy, T. Varkony, D. H. Smith, N. A. B. Gray,
W.
C. White, R. E. Carhart, B. G. Buchanan and C. Djerassi.
970.���� Dinosterol
in Model Membranes: Fluorescence Polarization Studies.
Lipids, 15, 694
(1980)
By
Z. Harel and C. Djerassi.
971.��� Proof of Structure by Synthesis of
5,14,17 (H)-cholestane (20R), a Major Petroleum
Sterane. Correction of Previous Assignment.
Geochimica
et Cosmochimica Acta,
44, 1613 (1980)
�By J. M. Moldowan, W. K. Seifert, M. J. Haley
and C. Djerassi.
972.��� Magnetic Circular Dichroism Studies LVI.
Magnetic Circular Dichroism Analysis of the IHP Effect on Spin Equilibria in
Human Ferric Hemoglobins.
Biophysical
Chemisty,
12, 143 (1980)
By
R. E. Linder, R. Records, G. Barth, E. Bunnenberg,
C.
Djerassi, B. E. Hedlund, A. Rosenberg, L. Seamans and A. Moscowitz.
973��� Minor and Trace Sterols in Marine
Invertebrates XXI. Isolation and Structure Elucidation of 22(S),23 (S)-Methylenecholesterol.� Evidence for Direct-Bioalkylation of
22-Dehydrocholesterol.
J.
Amer. Chem. Soc.,
102, 7113 (1980)
By
P.-A. Blanc and C. Djerassi.
974.���� Peridinosterol - A New ∆17-Unsaturated
Sterol from Two Cultured Marine Algae.
Tetrahedron
Letters,
No. 21, 4663 (1980)
By
W. Swenson, B. Tagle, J. Clardy,� N. W.
Withers,
W.C.H.C.
Kokke, W. Fenical and C. Djerassi.
975.��� Optical Rotatory Dispersion Studies 133.
Deuterium Octant Contributions in���
Cyclohexanones.
J.
Org. Chem.,
45, 5231 (1980)
By
P. Sundararaman, G. Barth and C. Djerassi.
976.��� Mass Spectrometry in Structural and
Stereochemical Problems 256.� The Mass
Spectrometric Behavior of 3,5-Cyclo-5-cholestan-6-yl
Alkyl Ethers.
�����������
Canad. J. Chem., 58, 2592 (1980) By F. J. Brown, I. J.
Massey and C. Djerassi
977.���
Minor and Trace Sterols in Marine Invertebrates 19.� Isolation, Structure Elucidation and Partial
Synthesis of 24-Methylene-25-ethylcholesterol (Mutasterol): First Example of
Sterol Side Chain Bioalkylation at Position 25.
J.
Am. Chem. Soc.,
103, 115 (1981)
By
L. N. Li, U. Sjőstrand and C. Djerassi.
978.��� Optical Rotatory Dispersion Studies 132.
Conformational Isotope Effect in Deuterium-Substituted Cyclohexanones.
J.
Am. Chem. Soc.,
103, 295 (1981)
By
S.-F. Lee, G. Barth and C. Djerassi.
979.�� Stereospecific Transformation of
2,2-Dimethylcyclobutanols into Optically Active 1,2-Cis-Disubstituted
Cyclopropanes.
J.
Am. Chem. Soc.,
103, 302 (1981)
By
M. Karpf and C. Djerassi.
980.��
Sterols with Unusual Nuclear Unsaturation from Three Cultured Marine
Dinoflagellates.
Phytochemistry, 20, 127
(1981)
By
W. C. M. C. Kokke, W. Fenical and C. Djerassi.
981.�� Applications of Artificial Intelligence for
Chemical Inference XXXIV.�
Computer-Assisted Structural Interpretation of Carbon-13 Spectral Data.
J.
Org. Chem.,
46, 703 (1981)
By
N. A. B. Gray, C. W. Crandell, J. G. Nourse, D. H. Smith,
M. L. Dageforde and C. Djerassi.
982.
�� Birth Control in the Year 2001.
Bull.
Atomic Scientists,
37, 24 (1981)
By
Carl Djerassi.��������
983.�� Minor and Trace Sterols in Marine
Invertebrates XVIII. Sterol Synthesis by Cultured Zooxanthellae:� Implications Concerning Sterol Metabolism in
the Host-Symbiont Association in Caribbean Gorgonians.
Comp.
Biochem. Physiol.,
688, 281 (1981)
By
W. C. M. C. Kokke, W. Fenical, L. Bohlin and C. Djerassi.
984.�� Mass Spectrometry in Structural and
Stereochemical Problems 257.� Effect of
Additional Double Bonds on the Mass Spectrometric Fragmentations of ∆1-3-Keto
Steroids.
J.
Org. Chem.,
46, 955 (1981)
By
F. J. Brown and C. Djerassi.
985.�� Recent Studies in the Marine Sterol Field.
Pure� and Applied Chemistry, 53, 873
(1981)
By
Carl Djerassi.
986.��
Applications of Artificial Intelligence for Chemical Inference XXXIV.
Stereochemical Substructure Codes for 13C Spectral Analysis.
Org.
Magnetic Resonance,
l5, 375 (1981)
By
N. A. B. Gray,� J. G. Nourse, C. W.
Crandell, D. H. Smith and C. Djerassi.
�
987.�� �Applications of Artificial Intelligence for
Chemical Inference XXXVI.� Computer
Assisted Structural Interpretation of Mass Spectral Data.
Helv.
Chim. Acta,
64, 458 (1981)
By
N. A. B. Gray, A. Buchs, D. H. Smith and C. Djerassi.
988.��� Applications of Artificial Intelligence for
Chemical Inference XXXVII.� GENOA: A
Computer Program for Structure Elucidation Utilizing Overlapping and
Alternative Substructures.
J.
Org. Chem.,
46, 1708 (1981)
By
R. E. Carhart, D. H. Smith,� N. A. B.
Gray, J. G. Nourse and C. Djerassi.
989.��� Sterols in Marine Invertebrates 22.� Isolation and Structure Elucidation of
Conicasterol and Theonellasterol, Two New 4-Methylene Sterols from the Red Sea
Sponges Theonella conica and Theonella swinhoei.
J.
Org. Chem.,
46, 1836 (1981)
By
E. Kho, D. K. Imagawa, M. Rohmer, Y. Kashman and C. Djerassi.
990.�� Minor and Trace Sterols in Marine
Invertebrates 20. 3-Hydroxymethyl-A-nor-Patinosterol and
3-Hydroxymethyl-A-nor-Dinosterol.�
Two New Sterols with Modified Nucleus and Side Chain from the Sponge Teichexinella
marchella.
J.
C. S. Perkin I,
1023 (1981)
By
L. Bohlin, U. Sjostrand, C. Djerassi and B. W. Sullivan.
991.��� Minor and Trace Sterols in Marine
Invertebrates 24.� Isolation of
22-Methylenecholesterol. Further Evidence for Direct Bioalkylation of
22-Dehydrocholesterol.
Tetrahedron
Letters,
No. 22, 2345 (1981)
By
J. Zielinski, H.-T. Li, T. S. Milkova, S. Popov,
N.
L. Marekov and C. Djerassi.
992.��� Optical
Rotatory Dispersion Studies 131. Demonstration of a Conformational Isotope��������� Effect in Deuterium Substituted
Cyclopentanones.
Tetrahedron
Letters,
No. 37, 181 (1981)
By
L. Y. Sing, M. Lindley, P. Sundararaman, G. Barth and C. Djerassi.
993.��� Magnetic Circular Dichroism Studies 59.
Substituent-Induced Sign Variation in the�
Magnetic Circular Dichroism Spectra of Chlorins.
J.
Am. Chem. Soc.,
103, 3201 (1981)
By
J. D. Keegan, A.M. Sto1zenberg, Y-C. Lu, R. E. Linder, G. Barth, E. Bunnenberg,
C. Djerassi and A. Moscowitz.
994.��� Minor and Trace Sterols in Marine
Invertebrates XXIII. Xestospongesterol and Isoxestospongesterol.� First Examples of Quadruple Biomethylation of
the Sterol Side Chain.
J. Am. Chem. Soc., 103, 3606
(1981)
By L. N. Li and C. Djerassi.
995.�� Optical Rotatory Dispersion Studies 134. Absolute
Configuration and Circular Dichroism Spectrum of (R)-[2-2H1]Cyc1opentanone.
Demonstration of a Conformational Isotope Effect.
J.
Am. Chem. Soc.,
103, 5004 (1981)
By
P. Sundararaman,� G. Barth and C.
Djerassi.
996.��� Minor and Trace Sterols in Marine
Invertebrates 26.� Isolation and
Structure Elucidation of Nine New 5,8-Epidioxy Sterols from
Four Marine Organisms.
J.
Org. Chem.,
46, 3860 (1981)
By
A. A. Leslie Gunatilaka, Y. Gopichand, F. J. Schmitz and C. Djerassi.
997.�� Minor and Trace Sterols in Marine
Invertebrates 27.� Isolation, Structure
Elucidation and Partial Synthesis of 25-Methylxestosterol, a New Sterol Arising
from Quadruple Biomethylation in the Side Chain.
J.
Org. Chem.,
46, 3867 (1981)
By
L. N. Li, U. Sj�strand and C. Djerassi.
998.���
Phospholipid Studies of Marine Organisms 2. Phospholipids,
Phospholipid-Bound Fatty Acids and Free Sterols of the Sponge Aplysina
Fistu1aris (Pallas) Forma Fu1va (= Verongia Thiona).� Isolation and Structure Elucidation of
Unprecedented Branched Fatty Acids.
Lipids, 16, 631 (1981)
By R. D. Walkup. G. C. Jamieson. M. R.
Ratcliff and C. Djerassi.��
999.��� 4-Methyl-24S-ethyl-5-cho1estan-3-o1
and 4-Methyl-24S-ethy15-cho1est-8(14)-en-3-o1,
Two New Sterols from a Cultured Marine Dinoflagellate.
Phytochem., 20, 2397 (1981)
By L. Bohlin, W. C. M. C. Kokke, W. Fenica1
and C. Djerassi.
1000.� Circular Dichroism of Molecules with
Isotopically Engendered Chirality.
Tetrahedron
Letters,
No. 24, 4123 (1981)
By
G. Barth and C. Djerassi.
1001.� Minor
and Trace Sterols in Marine Invertebrates 28.�
A Novel� Po1yhydroxylated Sterol
from the Soft Coral Anthelia glauca.
Steroids, 38, 247
(1981)
By
U. Sjőstrand, L. Bohlin, L. Fisher, M. Colin and C. Djerassi.
1002.
Minor and Trace Sterols from Marine Invertebrates 29. (22E)-Ergosta-5,22,25-trien-3β-ol and (22E,24R)-24,26-Dimethylcho1esta-5,22,25(27)-trien-3β-ol. Two
New Marine Sterols from the Sponge Pseudaxinella 1unacharta.
Steroids, 38, 355
(1981)
By
U. Sj�strand, J. M. Kornprobst and C. Djerassi.
1003. Stereospecific Synthesis of
Dinosterol.
Tetrahedron
Letters,
No. 22, 4627 (1981)
By
A. Y. L. Shu and C. Djerassi.
1004.
Minor and Trace Sterols in Marine Invertebrates 30. Isolation, Structure
Elucidation and Partial Synthesis of 26-Methylstrongylosterol and 28-Methylxestostero1
- Two Marine Sterols Arising by a Novel Quadruple Biomethylation Sequence.
Tetrahedron
Letters,
No. 22, 4639 (1981)
By
L. N. Li and C. Djerassi.
1005.� Synthesis and Absolute Configuration of New
Trich1oro Steroids with Cyclopropane-Containing Side Chains.
Helv.
Chim. Acta,
64, 2853 (1981)
By
R. W. Lang, C. Djerassi. P.D. Strong, D.C. Swenson and W. L. Duax.
1006.
Carbon-13 Nuclear Magnetic Resonance Spectra of Monounsaturated Steroids.
Evaluation of Rules for Predicting Their Chemical Shifts.
J.
Org. Chem.,
46, 5399 (1981)
By
H. Eggert and C. Djerassi.
1006A. Esterois da� Tunccia de Ascidia Nigra (Savigny
1816) (Tunicata--Ascidiasea).
����������������������� An. Acad. Brasil
Cienc., 53, 733 (1981)
����������������������� By
R. Zelnik, A.K. Matida, C. Djerassi, M.W. Khalil and J.C. De Freitas.
1007.
Stereoselective Synthesis of (22R)- and (22S)-22-
Methylcholesterol. ���������
J.
Org. Chem.,
47, 620 (1982)
By
J. Zielinski, H. Li and C. Djerassi.
1008.
Synthesis of Sterols with Cyclopropane-Containing Side Chains. Spectroscopic
Properties and Absolute Configurations.
J.
Org. Chem,,
47, 625 (1982)
By
R. W. Lang and C. Djerassi.
1009.
Stereochemical Aspects of Acid-Catalyzed Cyclopropane Ring-Opening Reactions. A
Stereospecific Pathway to Crinosterol and Brassicasterol.
Helv.
Chim. Acta,
65, 407 (1982)
By
R. W. Lang and C. Djerassi.
1010.
Applications of Artificial Intelligence for Chemical Inference 40. Computerized
Approach to the Verification of Carbon-13 Nuclear Magnetic Resonance Spectral
Assignments.
J.
Org. Chem.,
47, 1027 (1982)
By
M. R. Lindley, N.A.B. Gray, D. H. Smith and C. Djerassi.
1011.
Minor and Trace Sterols in Marine Invertebrates 25. Novel Dinoflagellate
4-Methylated Sterols from Four Caribbean Gorgonians.
Phytochemistry, 21, 881
(1982)
By
W.C.M.C. Kokke, L. Bohlin, W. Fenical and C. Djerassi.
1012.
Liquid Chromatography-Mass Spectrometry of Polar Lipids. Comparison of On-Line
Method Using Direct Liquid Introduction Interface with Off-Line Method Using
Desorption/Chemical Ionization.
J.
Chromatog.,
251, 189 (1982)
By
F. R. Sugnaux and C. Djerassi.
1013.
Stereospecific Cyclopropane Ring-Opening of Petrosterol. A Possible Biomimetic
Process.
Tetrahedron
Letters,
No. 23, 2063 (1982)
By
R. W. Lang and C. Djerassi.
1014.
Sterol Patterns of Cultured Zooxanthellae Isolated From Marine Invertebrates:
Synthesis of Gorgosterol and 23-Desmethylgorgosterol by Aposymbiotic Algae.
Proc. Natl. Acad.
Sci.,� USA, 79, 3764 (1982)
N.
W. Withers, W.C.M.C. Kokke, W. Fenical, and C. Djerassi.
Correction:
PNAS, 79, 6390, (1982).
1015.
Stereoselective Synthesis via Claisen Rearrangements of the Marine Sterols
Occelasterol, Patinosterol and 22,23-Dihydrooccelasterol.
J.
Org. Chem.,
47, 2420 (1982)
By
Y. Hirano and C. Djerassi.
1016.
Mass Spectrometry in Structural and Stereochemical Problems 258. Desorption
Chemical Ionization Mass Spectrometry of Epimeric 3-Hydroxysteroids and Derivatives.
Stereoselectivity and Nucleophilic Substitution with Ammonia.
Org.
Mass Spectrom.,
17, 277 (1982)
By� P. Tecon, Y. Hirano and C. Djerassi
1017.
Magnetic Circular Dichroism Studies 60.�
Substituent-Induced Sign Variation in the Magnetic Circular Dichroism
Spectra of Reduced Porphyrins. 1. Spectra and Band Assignments.
J.
Am. Chem. Soc.,
104, 4305 (1982)
By� J. D. Keegan, A. Stolzenberg, V-C. Lu, R. E.
Linder,
G.
Barth, A. Moscowitz, E. Bunnenberg and C. Djerassi.
1018.
Magnetic Circular Dichroism Studies 61. Substituent-Induced Sign Variation in
the Magnetic Circular Dichroism Spectra of Reduced Porphyrins 2. Perturbed
Molecular Orbital Analysis.
J.
Am. Chem. Soc.,
104, 4317 (1982)
By� J. D. Keegan, A. M.� Stolzenberg, V-C. Lu, R.
E. Linder,
G.
Barth, A. Moscowitz, E. Bunnenberg and C. Djerassi.
1019.
Complete Computer Automation of Preparative Liquid Chromatography through
Intelligent Fraction Collection, with Unlimited Injection Volume and Repetitive
Collection of Separated Solute Peaks.
J.
Chromatog.,
248, 373 (1982 )
By
F. R. Sugnaux and C. Djerassi.
1020.�
Phospholipid Studies of Marine Organisms Ill.� New Phospholipid Fatty Acids from Petrosia
Ficiformis.
Lipids, 17, 617
(1982)
By
E. Ayanoglu, R. D. Walkup, D. Sica and C. Djerassi.
1021.
Synthesis of the Putative Marine Sterols [24R]- and [24S]- 23, 24 Dimethyl
5-cholest-23(29)-en-3-ol.
Tetrahedron
Letters,
No. 23, 4427 (1982)
By
T. Gebreyesus and C. Djerassi.
1022.
Applications of Artificial Intelligence for Chemical Inference XLI.� Computer-Assisted Structural Interpretation
of� lH-NMR� Spectral Data.
Helv.
Chim. Acta,
65, 1898 (1982)
By
H. Egli, D. H.� Smith and C. Djerassi.
1023.
Structural and Stereochemical Aspects of Base-Catalyzed Double Bond
Isomerization of Sterols with Unsaturated Side Chains.
J.
Org. Chem.,
47, 4298 (1982)
By
Hui-ting Li and Carl Djerassi.
1024.� Minor and Trace Sterols in Marine
Invertebrates 34.� Isolation and
Structure Elucidation of 24-Methyl-5-Cholesta-7,9(11),
24(28)-trien-3-o1, the First Naturally Occurring ∆7,9 (11)
Unsaturated Marine Sterol.
Steroids, 39, 675
(1982)
By
J. Zielinski, T. Mi1kova, S. Popov, N. Marekov and C. Djerassi
1025.� Minor and Trace Sterols in Marine
Invertebrates 31.� Isolation and
Structure Elucidation of 23H-Isocalystero1, a Naturally Occurring
Cyclopropene.� Some Comparative
Observations on the Course of Hydrogenolytic Ring Opening of Steroidal
Cyclopropenes and Cyclopropanes.
J.
Am. Chem. Soc.,
104,� 6726 (1982)
By
L. N.Li, H. Li , R.� W.� Lang, T. Itoh, D. Sica and C. Djerassi
1026.� Applications of Artificial Intelligence for
Chemical Inference XLII.� The DENDRAL
Project: Computational Aids to Natural Products Structure Elucidation.
Pure
and Appl. Chem.,
54, 2425 (1982)
By
C. Djerassi, D. H. Smith, C. W. Crandell, N.A.B. Gray,
J.
G. Nourse and M. R. Lindley
1027.� Sterols in Marine Invertebrates 32. Isolation
of 3(Hydroxymethyl)-A-nor-5-cholest-15-ene, the First
Naturally Occurring Sterol with a 15-16 Double Bond.
J.
Org. Chem.,
47, 5304 (1982)
By
M. Eggersdorfer, W.C.M.C. Kokke, C. W. Crandell,
J.
E. Hochlowski and C. Djerassi
1028.� Sterols in Marine Invertebrates 33.� Structures of Five New 3 -
(Hydroxymethyl )-A-nor Steranes:�
Indirect Evidence for Transformation of Dietary Precursors in Sponges.
J.
Org. Chem.,
47, 5309 (1982)
By
L. Bohlin, U. Sj�strand, G. Sodano and C. Djerassi
1029.� Sterols of the Cultured Dinoflagellate Pyrocystis
Lunula.
Steroids, 40, 307
(1982)
By
W. C.� M.�
C.� Kokke, W. Fenical and C.
Djerassi
1030.�
Sterols of the Cultured Euglenid Eutreptia Viridis:� A Novel ∆23-Unsaturated
Sterol.
Steroids, 40, 403
(1982)
By
J. Ziellnski, W.C.M.C. Kokke, W. Fenical and C. Djerassi
1031.
Minor Sterols of� Marine Invertebrates
37.� Isolation of Novel Coprostanols and
4-Methyl Sterols from the Tunicate Ascidia Nigra
Steroids, 40, 433
(1982)
By
T.B. Tam-Ha, W. C. M. C. Kokke and C. Djerassi
1032.
Minor and Trace Sterols in Marine Invertebrates 39.� 24�
25,-24, 26-Cyclocholest-5-en-3-ol, a Novel Cyclopropyl
Sterol.
Steroids, 40, 455
(1982)
By
C.A.N. Atalan, V. Lakshmi,� F. J .
Schmitz and C. Djerassi�
1033.
Minor and Trace Sterols in Marine Invertebrates 38.� Isolation. Structure Elucidation and Partial
Synthesis of Papakusterol.� a New
Biosynthetically Unusual Marine Sterol with a Cyclopropyl-Containing Side
Chain.
���������� ������������ Tetrahedron
Letters, No. 24,� 277 (1983)
By
C. Bonini, R. B. Rinnel.� M. Li., P. J.
Scheuer and C. Djerassi
1034.
Synthesis of (23R)- and (23S)-Methylcholesterol.
J.
Org. Chem.,
48, 48 (1983)
By
H. Li, I. J.� Massey, D. C. Swenson. W.
l. Duax and C. Djerassi
1035.
Minor and Trace Sterols in Marine Invertebrates 40.� Structure and Synthesis of
Axinyssasterol,� 25-Methylfucosterol and
24-Ethyl-24-methylcholesterol--Novel Sponge Sterols with Highly Branched Side
Chains.
Tetrahedron
Letters,
No. 24, 665 (1983)
�By X. Li and C. Djerassi
1036.
Minor and Trace Sterols in Marine Invertebrates 35.� Isolation and Structure Elucidation of
Seventy-four Sterols from the Sponge Axinella Cannabina.
J.
Chem. Soc.� Perkin Trans. I, 147 (1983)
�By T. Itoh. D. Sica and C. Djerassi
1037.
Mass Spectrometry in Structural and Stereochemical Problems. Translational
Energy Release and Stereochemistry of Steroids.
Int.
J. Mass Spectrom. Ion. Phys.,� 47. 137
(1983)
By
Z. V. I. Zaretskii, E. A. Larka, C. G. Herbert,
J.
H. Beynon. C. Djerassi, P. Dan and Z. Kustanovich
1038.� Phospholipid Studies of� Marine Organisms IV.� (2, 21Z) -2-Methoxy-21-
octacosenoic Acid, the First Naturally Occurring -Methoxy Acid from a
Phospholipid.
Tetrahedron
Letters,
No. 24, 1111 (1983)
By
E.� Ayanoglu. J. M. Kornprobst, A.
Aboud-Bichara and C. Djerassi
1039.� (24S)-24H-Isocalysterol: A New
Steroidal Cyclopropene from the Marine Sponge Calyx Niceaensis.
J.
Org. Chem., 48. 890 (1983)
By
T. Itoh, D.Sica and C. Djerassi
1040.� Optical Rotatory Dispersion Studies 135.� Synthesis and Chiroptical Properties of (S)-
and (R)-(3-2Hi)-2, 2- Dimethylcyclobutanone.� Evidence for Conformational Effects in
Substituted Cyclobutanones.
����������� J. Am. Chem. Soc., 105,
2408� (1983) �������� .
By R. N. Harris III, P. Sundararaman and C.
Djerassi
1041.� Magnetic Circular Dichroism Studies 62.� Sign Variation in the Magnetic Circular
Dichroism Spectra of Some Perimeter Symmetric Free-base Porphyrins.
Spectrosc.
Lett.,
16, 275 (1983)
By
J. D. Keegan, E. Bunnenberg and C. Djerassi
1042.� Magnetic Circular Dichroism Studies 64.� Novel Magnetic Circular Dichroism Spectra of
Monoacetyl Porphyrins.� Structure
Implications.
Tetrahedron
Letters,
No. 24, 2433 (1983)
By
Y. Lu., A. Y. L Shu,� A.
Knierzinger,� P. S. Clezy.
E. Bunnenberg and C. Djerassi
1043. Minor and Trace Sterols in Marine
Invertebrates 41.� Structure and
Stereochemistry of Naturally Occurring 9.11-Seco Sterols.
J.
Org. Chem.,
48, 2108 (1983)
By
C. Bonini, C. B. Cooper, R. Kazlauskas,
R.
J. Wells and C. Djerassi
1044.
Acid-Catalyzed and Photochemical Isomerization of Steroidal Cyclopropenes.
J.
Am. Chem. Soc.,
105, 4407 (1983)
By
T. Itoh and C. Djerassi
1045.
Chemical Proof of Absolute Configuration of 24,26-Cyclocholesterol by
Biomimetic Conversion to 27-Norergostenes.
Tetrahedron
Letters,
No. 24. 3461 (1983)
By
C. A. N. Catalan and C. Djerassi
1046.� �Progestins in Therapy-- Historical
Developments.�� Chapter 1 in Progestogens
in Therapy (G. Benagiano, P. Zulli and E. Diczfalusy, eds.) Raven Press,
New York, 1983, pp. 1-12.
1047.� Minor and Trace Sterols in Marine
Invertebrates. 42.� Isolation, Partial
Synthesis and Structure Determination of Sterols with the Four Possible
23.24-Dimethyl-Substituted Side Chains.
J.
Org. Chem.,
48, 3471 (1983)
By
J. Zielinski, W. C. M. C. Kokke,� T. B.
T. Ha,
A.
Y. l. Shu, W. L. Duax and C. Djerassi
1048.� Application of the Computer Program GENOA and
Two-Dimensional NMR Spectroscopy to Structure Elucidation.
Org.
Magn. Reson.,
21, 405 (1983)
By
M. R. Lindley,� J. N. Shoolery,
D.
H. Smith and C. Djerassi
1049.� Phospholipid Studies of Marine Organisms V.
New -Methoxy Acids from Higginsia���
Tethyoides.
Lipids, 18,� 830 (1983)
By
E. Ayanoglu. S. Popov. J. M. Kornprobst.,
A.
Aboud-Bichara and C. Djerassi
1050.� Minor and Trace Sterols in Marine
Invertebrates 43.� Occurrence and
Seasonal Variation of 19-Norcholest-4-en-3-one and 3-Monohydroxy
Sterols in the Californian Gorgonian. Muricea Californica.
Steroids. 41, 537
(1983) �������
By
S. Popov, R. M. K. Carlson and C. Djerassi
1051.
"Paul Klee at Bard."�
(poem)� In The Graphic Legacy
of Paul Klee,� Edith C. Blum Art
Institute,� The Bard College Center.
Annandale-on-Hudson, New York. 1983, pp. 10-11.�
By Carl Djerassi
1052.� Sterols of Marine Invertebrates 44.� Isolation, Structure Elucidation,� Partial Synthesis and Determination of
Absolute Configuration of Pulchrasterol.�
The First Example of Double Bioalkylation of the Sterol Side Chain at
Position 26.
J.
Org. Chem.,
48, 4472 (1983)
By
B. V. Crist, X. Li. P. R. Bergquist and C. Djerassi
�
1053.� Optical Rotatory Dispersion Studies 136.� Enzymatic Reduction of 2-Methyl-2-
(trideuteriomethyl) cyclohexane-l, 3-dione.�
Unusual Conformation of 2,2.-Dimethyl-3-hydroxycyclohexanone.
J.
Org. Chem.,� 48, 4549 (1983)
By
Y. Lu. G. Barth,� K. Kieslich. P. D.
Strong,
�W. L. Duax and C. Djerassi
1054.� Mass Spectrometry in Structural and
Stereochemical Problems 262.��
Double-Bond Location in Long-Chain Polyunsaturated Fatty Acids by
Chemical Ionization Mass Spectrometry.
Lipids, 18, 853
(1983)
By
J. Lankelma,� E. Ayanoglu and C. Djerassi
1055.
Minor and Trace Sterols in Marine Invertebrates 45.� Identification of Sterols with Oxygenated
Side Chains in a Sponge of the Species Hytios.
Helv.
Chim. Acta,
66, 2431 (1983)
By
P. Koch, C. Djerassl, V. Lakshmi and F. Schmitz
1056.� Long-Acting Contraceptive Agents: Design of
the WHO Chemical Synthesis Programme.
Steroids, 41, 243
(1983)
By
P. Crabb�, S. Archer, G. Benagiano, E. Diczfalusy,
C.
Djerassi,� J. Fried and T. Higuchi
1057.� Synthesis of (24R) - and (24S)-5,28-Stigmastadien-3-ol
and Determination of the Stereochemistry of their 24-Hydroxy Analogues,� the Saringosterols.
J.
Org. Chem.,
48, 5207 (1983)
By
C. A. N. Catalan, W. C. H. C. Kokke,
C.
Duque and C. Djerassi �����
1058.�
�Future Methods of Fertility Regulation in Developing Countries: How to
make the Impossible Possible by December 31, 1999.�
�In Research on the Regulation of Human
Fertility� (E. Diczfalusy and A.
Diczfalusy, eds.),� Scriptor, Copenhagen
1983, pp. 235-249.
By
Carl Djerassi.
1059.� Minor and Trace Sterols in Marine
Invertebrates 46.� Marine 4-Methyl
Sterols: Synthesis of C-24 Epimers of 4,
24-Dimethyl-5-cho1estan-3-ol and 360 MHz IHNMR
Comparisons to the Natural Product from Plexaura Homomalla.
Steroids., 42, 217
(1983)
By
W. C. Dow,� T. Gebreyesus, S. Popov,�
R.
M. K. Carlson and C. Djerassi
1060.
Minor and Trace Sterols in Marine Invertebrates 47.� A Re-Investigation of the 19-Nor Stanols
Isolated from the Sponge Axinella Polypoides.
Steroids, 43, 331
(1983)
By
B. V. Crist and C. Djerassi
1061.� Magnetic Circular Dichroism Studies 63.� Sign Variation in the Magnetic Circular
Dichroism Spectra of Some Perimeter Symmetric Metallo Porphyrins.
Spectrochim.
Acta,
40A, 287 (1984)
By
J. D. Keegan, E. Bunnenberg and C. Djerassi
1062.� Synthesis and Stereochemical Assignment of
(22R,24S)-, (22R,24R)-, (22S,24R)-,
and (22S,24S)-22,24-Dimethylcholesterol.
J.
Org. Chem.,
49, 987 (1984)
By
T. Gebreyesus and C. Djerassi
1063.�� Optical
Rotatory Dispersion Studies 137.
Synthesis and
Chiroptical Properties of - and -Deuterium Substituted
Aliphatic Aldehydes and Ketones.
J.
Org. Chem.,
49, 1511 (1984)
by
L. A. Gorthey, M. Vairamani and C. Djerassi
1064. � "Marine
Sterols." In Proceedings of the Alfred Benzon Symposium 20 (P.
Krogsgaard-Larsen, S. Brogger Christensen and Helmer Kofod, eds.)
����������� Munksgaard, Copenhagen 1984, pp.
164-176
����������� by Carl Djerassi.
1065. � Formylation of Pyrrole Derivatives.
Synth.
Commun,
14, 383 (1984)
by
A. G. H. Wee, E. Bunnenberg and C. Djerassi
1066. � On the Origin of Terpenes in Symbiotic
Associations between Marine Invertebrates and Algae (Zooxanthellae).
J.
Biol. Chem.,
259, 8168 (1984)
by
W. C. M. C. Kille, S. Epstein, S. A. Look, G. H. Rau, W. Fenical and C.
Djerassi
1067. � Magnetic Circular Dichroism Studies 65.
Sign
Variation in the Magnetic Circular Dichroism Spectra of Free-Base Porphyrins
Having a Single -h-Acceptor Pyrrole
Ring Substituent. Structure Implications.
J.
Am. Chem. Soc.,
106, 4241 (1984)
by
C. Djerassi, Y. Lu, A. Waleh, A. Y. L. Shu, R. A. Goldbeck, L. A.
Kehres, C. W. Crandell, A. G. H. Wee, A. Knierzinger, R. Gaete-Holmes, G. Loew,
P. S. Clezy and E. Bunnenberg
�
1068. � Phospholipid Studies of Marine Organisms 9.
New
Brominated Demospongic Acids from the Phospholipdis of Two Petrosia Species.
Tetrahedron
Letters,
No. 25, 3285 (1984)
by
W. M. D. Wijekoon.� E. Ayanoglu and C.
Djerassi
�
1069. � Translational Energy Release and
Stereochemistry of Steroids 4. Epimeric 3-Keto and 3-Hydroxy Steroids.
Org.
Mass Spectrom.,
19, 321 (1984)
by
Z. V. I. Zaretskii, P. Dan, Z. Kustanovich, E. A. Larka, C. G. Herbert, J.
Beynon and C. Djerassi
1070. � Book Review: "The Pharmaceutical Industry
and Dependency in the Third World," by Gary Gereffi.
Nature, 310, 517
(1984)
by
Carl Djerassi
1071. � Mass Spectrometry in Structural and
Stereochemical Problems 763;
Phospholipids in
Marine Organisms 6. Mass Spectrometry of Phospholipids. Some Applications of
Desorption Chemical Ionization ana Fast Atom Bombardment.
J. Am. Chem. Soc., l06, 5246 (1984)
by
E. Ayanoglu, A. Wegmann. O. Pilet, G. D. Marbury. J. R. Hass and C. Djerassi
1072.�� Phospholipid Studies of Marine Organisms 7.
Stereospecific
Synthesis of (5Z,9Z)-, (5Z.9E)-, (5E.9Z)-,
and (5E,9E)-5,9-Hexacosadienoic Acid.
J.
Org. Chem.,
49, 3260 (1984)�
by
P. L. Mena, O. Pilet and C. Djerassi
1073. � Magnetic Circular Dichroism Studies 66.
Synthesis
of Demethyl Monosubstituted Porphyrins. The Effect of Substituent Conformation
on the Magnetic Circular Dichroism Spectra of Ethoxycarbonyl Porphyrins.
J.
Org. Chem.,
�3 49, (1984)
by
A. G. H. Wee. A. Y. L. Shu, E. Bunnenberg and C. Djerassi
1074. � Mass Spectrometry in Structural and
Stereochemical Problems 264.
Enhanced Structure
Determination of Beta-Pyrrole and N-Substituted Porphyrins by Desorption
Chemical Ionization Mass Spectrometry.
Tetrahedron
Letters,
No. 25, 4083 (1984)
by
X-Yo Jiang, A. W. Szente. B-R. Tolf. L. A. Kehres,
E. Bunnenberg and C. Djerassi
1075. � Stereochemical Effects in Cyclopropane Ring
Openings: Biomimetic Ring Openings of all Isomers of 22.23-Methylenecholesterol
Acetate.
J.
Am. Chem. Soc.,
106, 5602 (1984)�
by
M. P. Zimmerman, Li, W. L. Duax, C. M. Weeks and C. Djerassi
1076. � Stereochemical Effects in Cyclopropane Ring
Openings: Synthesis and Isomerization of Petrosterol and all Three of its Trans
Cyclopropane Diastereomers.
J.
Am. Chem. Soc.,
106, 5613 (1984)
by
J. R. Proudfoot and C. Djerassi
�
1077. � The Making of the Pill.
Science
84. 5,
127 (1984)
by
Carl Djerassi
1078. � Biosynthetic Studies of Marine Lipids 4.
Mechanism
of Side Chain Alkylation in (E)-24-Propylidenecholesterol by a
Chrysophyte Alga.
J.
Org. Chem.,
, 49, 3742 (1984)
by
W. C. M. C. Kokke, J. N. Shoolery, W. Fenical and C. Djerassi
1079. � Phospholipid Studies of Marine Organisms 8:
New
Branched Fatty Acids from Strongylophora Durissima.
Lipids, 19, 768
(1984)
by
A. Dasgupta, E. Ayanoglu and C. Djerassi
1080. � Mass Spectrometry in Structural and
Stereochemical Problems 260.
Ion-Molecule Reaction
in the Gas Phase 4. Stereospecific Nucleophilic Substitution under Ammonia
Chemical Ionization Conditions from Diastereomeric Methyl and Benzyl Ethers of
3-Hydroxy Steroids.
Org.
Mass Spectrom.,
19, 473 (1984)
by
J-C. Tabet, Y. Tondeur, Y. Hirano, A. Wegmann, P. Tecon and C. Djerassi
�
1081. � Mass Spectrometry in Structural and
Stereochemical Problems 261.
The Effect of
Stereochemistry on the Course of the Characteristic Ring of Fragmentation of
Steroid Hydrocarbons.
Org. Mass Spectrom, 19, 531
(1984)
by D. G. Patterson, M. J. Haley, I. Midgley
and C. Djerassi
1082. � Minor and Trace Sterols in Marine
Invertebrates 48.
The Isolation, Structure Elucidation and
Synthesis of 23(R),24(R)-Methylenecholesterol.
Tetrahedron
Letters,
No. 25, 5493 (1984)
by
J. R. Proudfoot and C. Djerassi
1083. � A Steroid Autobiography.
Steroids, 43, 351
(1984)
by
Carl Djelrassi
1084. � "The Chemical History of the Pil1."
In Discoveries
����������������������� in
Pharmacology, 2 (H. J. Parnham and J. Bruinvels, eds.)
����������������������� Elsevier Science
Publishers, 1984, pp. 339-361
����������������������� by Carl Djerassi.
1085. � Synthesis of the Four Stereoisomers of 22, 23-
Dimethylcholesterol.
J.
Org. Chem.,
50, 154 (1985)
by
T. Gebreyesus and C. Djerassi
1086. � New Natural 2-Acetoxy Fatty Acids Using
Chemical Ionization and Electron Impact Mass Spectrometry.
Lipids, 20, 141 (1985)
by E. Ayanoglu, K. Kurtz, J.M. Kornprobst and
C. Djerassi
1087. � Biosynthetic Studies of Marine Lipids 3.
Experimental
Demonstration of the Course of Side Chain Extension in Marine Sterols.
Tetrahedron
Letters,
No. 41, 1073 (1985)
by
C.A.N. Catalan, J.E. Thompson, W.C.M.C. Kokke and C. Djerassi
1088. � Sterols in Marine Invertebrates 49.� Isolation and Structure Elucidation of Eight
New Polyhydroxylated Sterols from the Soft Coral Sinularia Dissecta.
J.
Org. Chem..,
50, 1435 (1985)
by
B.M. Jagodzinska, J.A. Trimmer, W. Fenical and C. Djerassi
1089. � Minor and Trace Sterols from Marine
Invertebrates 50.
Stereostructure and Synthesis of Nicasterol,
a Novel Cyclopropane-Containing Sponge Sterol.
J.
Org. Chem.,
50, 2026 (1985)
by
J.R. Proudfoot, X. Li and C. Djerassi
1090. � Mass Spectrometry in Structural and
Stereochemical Problems 267.
Translational Energy
Release and Stereochemistry of Steroids 6. Contribution of the 18- and
19-Methyl Groups to the Translational Energy Release for the Angular Methyl
Loss in Unsaturated Steroids.
Org.
Mass Spectrom.,
20, 471 (1985)
by
Z.V.I. Zaretskii, Z. Kustanovich, E.E. Kingston, J.H. Beynon, R. Lauber, U.P.
Schlunegger and C. Djerassi
1091. � Sterols in Marine Invertebrates 51.
Isolation
and Structure Elucidation of C-18 Functionalized Sterols from the Soft Coral Sinularia
Dissecta.
J.
Org. Chem.,
50, 2988 (1985)
by
B.M. Jagodzinska, J.S. Trimmer, W. Fenical and C. Djerassi
1092. � Phospholipid
Studies of Marine Organisms 11.
Synthesis of
5,9-Hexacosadienoic Acid Phospholipids.
Chemistry
and Physics of Lipids,
37, 257 (1985)
by
P.L. Mena and C. Djerassi
1093. � Minor and Trace Sterols in Marine
Invertebrates 52.
Isolation, Structure Elucidation and Partial
Synthesis of 24-Propyl-24,28-methylenecholest-5-en-3-ol.
Tetrahedron
Letters,
No. 26, 4031 (1985)
by
T.B. Tam Ha and C. Dierassi
1094. � Searching for Ideal Contraceptives.
Society, 23, 41
(1985)
by
Carl Djerassi
1095. � Optical Rotatory Dispersion Studies 138.
Synthesis and Conformational Analysis of Heteroatom-Substituted
Cyclohexanones.
J.
Org. Chem.,
50, 4173 (1985)
by
L. Gorthey, M. Vairamani and C. Djerassi
1096. � Minor and Trace Sterols in Marine
Invertebrates 53.
Further Novel Marine Sterols Resulting from
Triple and Quadruple Biomethylation of the Cholesterol Side Chain.
Steroids, 45, 263
(1985)
by
T.B. Tam Ha, W.C.M.C. Kokke, J.R. Proudfoot, C. Djerassi and J.E. Thompson
1097. � Minor and Trace Sterols in Marine
Invertebrates 55.
The Isolation, Structure Elucidation and
Synthesis of Ergosta-5,24(28),25-trien-3-ol.
Steroids, 45, 447
(1985)
by
T. Gebreyesus, 1. Stoilov, F-T. Luo and C. Djerassi
1098. � Biosynthetic Studies of Marine Lipids 6.
Evidence for an Unprecedented Biomethylation Pathway in the Biosynthesis of the
Cyclopropyl-Containing Marine Sterol, Petrosterol.
Tetrahedron
Letters,
No. 27, 423 (1986)
by
J.R. Proudfoot, C.A.N. Catalan, C. Djerassi, D. Sica and G. Sodano
1099. � Mass Spectrometry in Structural and
Stereochemical Problems 268. Translational Energy Release and Stereochemistry
of Steroids 7. The Loss of Angular Methyl Groups after the Dehydration of
Molecular Ions of Cholesterol and Related C(5)-unsaturated 3-Hydroxy
Steroids.
Org.
Mass Spectrom.,
21, 125 (1986)
by
Z.V.I. Zaretskii, Z. Kustanovich, E.E. Kingston, J.H. Beynon, C. Djerassi and
L. T�kes
1100. � Abortion in the United States: Politics or
Policy?
Bulletin
of the Atomic Scientists, 42, 38 (1986)
by
Carl Djerassi
1101. � Mass Spectrometry in Structural and
Stereochemical Problems 266. Enhanced Structural Determination of Substituted
Porphyrins by Ammonia Desorption Chemical Ionization Mass Spectrometry.
J.
Am. Chem. Soc.,
108, 1363 (1986)
by
B-R. Tolf, X-Y Jiang, A. Wegmann-Szente, L.A. Kehres, E.
Bunnenberg and C. Djerassi
1102. � Application of Selenosulfonation to Marine
Sterol Synthesis. Preparation of 24, 28-Dehydroaplysterol, Xestosterol and
Ostreasterol from a Common Acetylenic Intermediate.
Tetrahedron
Letters,
No. 27, 2187 (1986)
by
T.G. Back, J.R. Proudfoot and C. Djerassi
1103. � Evidence of Tautomerism in a Triply 15N
Labeled Monoacetyl porphyrin in NMR: Kinetic HH/HD Isotope Effects and
Thermodynamics in CD2Cl2 .
J. Am. Chem. Soc., 108, 3856
(1986)
by M. Schlabach,
B. Wehrle, H-H. Limbach, E. Bunnenberg, A. Knierzinger, A.Y.L. Shu, B-R. Tolf and C. Djerassi
1104. � Biosynthetic
Studies of Marine Lipids 5. The Biosynthesis of Long-Chain Branched Fatty Acids
in Marine sponges.
J.
Org. Chem.,
51, 2751 (1986)
by
N. Carballeira, J.E. Thompson, E. Ayanoglu and C. Djerassi
1105. � Biosynthetic Studies of Marine Lipids 7.
Experimental Demonstration of a Double Alkylation at C-28 in the Biosynthesis
of 24-Isopropylcholesterols in a sponge.
Tetrahedron
Letters,
No. 42, 4147 (1986)
by
I.L. Stoilov, J.E. Thompson and C. Djerassi
1106. � Biosynthetic Studies of Marine Lipids 8.
Course of the Stereoselective Alkylation and Regioselective Hydrogen Migration
in the Biosynthesis of the Sponge Sterol (24S)24-Isopropenylcholesterol.
Tetrahedron Letters, No. 42,
4156 (1986)
by
I.L. Stoilov, T.G. Back, J.E. Thompson and C. Djerassi
1107. � What Contraceptive Revolution?
Family
Planning Perspectives,
18, 100 (1986)
by
Carl Djerassi
1108. � Biosynthetic Studies of Marine Lipids 10.
Double Side Chain Extension in the Triply Alkylated sponge Sterol Xestosterol.
Tetrahedron
Letters,
No. 27, 4821 (1986)
by
I.L. Stoilov, J.E. Thompson and C. Djerassi
1109. � Magnetic Circular Dichroism Studies 67.
Substituent Induced Sign Variation in the Magnetic Circular Dichroism of
Free-Base Porphyrins with a single Electron-withdrawing Substituent. The
Question of N-H Proton Equilibrium.
J.
Am. Chem. Soc.,
108, 6449 (1986)
by
R.A. Goldbeck, B-R. Tolf, A.G.H. Wee, A.Y.L. Shu, R. Records, E. Bunnenberg and
C. Djerassi
1110. � Minor and Trace Sterols from Marine
Invertebrates 56.
Novel Coprostanols from the Marine Sponge Petrosia
Ficiformis.
Steroids, 47, 49
(1986)
by
S.B. Seidel, J.R. Proudfoot, C. Djerassi, D. Sica and G. Sodano
1111. � Phospholipid
Studies of Marine organisms 13. Biophysical Properties of Unusual�� Phospholipids and Sterols from Marine
Invertebrates.
Biochim.
Biophys. Acta,
863, 110 (1986)
by
E. Ayanoglu, N. Duzgunes, W.M.D. Wijekoon and C. Djerassi
1112. Biosynthetic
Studies of Marine Lipids 9. Stereochemical Aspects and Hydrogen Migrations in
the Biosynthesis of the Triply Alkylated Side Chain of the Sponge Sterol
Strongylosterol.
J.
Am. Chem. Soc.,
108, 8235 (1986)
by
I.L. Stoilov, J.E. Thompson, J-H. Cho and C. Djerassi
1113. Minor and Trace
Sterols in Marine Invertebrates 54. The Crystal Structure of 3-���� Hydroxy-4,23R,24R-trimethyl-5
cholestane (23R,24R-from Dinoflagellates.
Steroids, 47, 321
(1986)
by
G.R. Pettit, D.L. Herald, W.C.M.C. Kokke and C. Djerassi
1114. Phospholipid
Studies in Marine Organisms 12. Mass Spectral Behavior and HPLC of Some Unusual
Molecular Phospholipid Species.
Chem.
and Phys. of Lipids,
41, 335 (1986)
by
A. Dasgupta, E. Ayanoglu, A. Wegmann-Szente, K. Tomer and C. Djerassi
1115.Magnetic
Circular Dichroism Studies 68.�
Substituent Conformational Effects in the Magnetic Circular Dichroism and
Absorption Spectra of Free-Base Carbonyl Porphyrins
����������������������� J. Am. Chem. Soc., 109, 28
(1987)
����������������������� by
R. A. Goldbeck, B-R. Tolf, E. Bunnenberg and C. Djerassi
1116. Engines of
Innovation: The Interface of Academia and Industry (In� Japanese)
�������������������� Economics Today, 5, 75
(Spring 1987)
�������������������� by Carl Djerassi
1117.
Contraccezione�Venta�nni Dopo: Com�� natta la pillola [Contraception�Twenty
Years Later: How the Pill Was Created] (In Italian and English)
�������������������� Atti della Societ�
Italiana di Fertilit� e Sterilit� (XIII Congresso
�������������������� Nazionale,
Maggio 1986)
�������������������� by
C. Djerassi
1118. Biosynthetic
Studies of Marine Lipids 12.�
Biosynthesis in Marine Sponges of Sterols Possessing the D
5,7-Nucleus Typical of Fungi and the 24-Alkyl Side Chain
Characteristic of Plants.
�������������������� Tetrahedron Letters, No. 43,
2213 (1987)
�������������������� �by I.L. Stoilov, M. Bladocha- Moreau,
J.E. Thompson and� C. Djerassi
1119. Phospholipid
Studies of Marine Organisms 15.�
Ether Lipids of the Sponge Tethya Aurantia.
�������������������������������� Lipids, 22, 236 (1987)
�������������������������������� by G.M. Smith and
C. Djerassi
1120. Phospholipid
Sudies of Marine Organisms 15.� High
Performance Liquid Chromatography and Fast Atom Bombardment Mass Spectrometry
of Unusual Branched and Unsaturated Phospholipid Molecular Species
�������������������������������� Chemistry and Physics of Lipids, 43,
101 (1987)
�������������������������������� by A. Dasgupta,
E. Ayanoglu, K.B. Tomer and C. Djerassi
1121. Biosynthetic
Studies of Marine Lipids 11.�
Synthesis, Biosynthesis, and Absolute Configuration of the Internally
Branched Demospongic Acid, 22-Methyl-5,9-octacosadienoic Acid
�������������������������������� J. Org. Chem., 52, 2337
(1987)
�������������������������������� by
D. Raederstorff, A. Y. L. Shu, J. E. Thompson and
C. Djerassi
1122. Synthesis and
Stereochemistry of 23,24-Dihydrocalysterol: Implications for Marine Sterols of
a Unified Biosynthetic Scheme Involving Protonated Cyclopropanes
�������������������������������� J. Chem. Soc. Perkin Trans., 1,
1283 (1987)
�������������������������������� by
J. R. Proudfoot and C. Djerassi
1123. Synthesis and Stereochemistry of
Ficisterol and Norficisterol: Biosynthetic�����
.�������� Implications
�������������������������������� J. Chem. Soc. Perkin Trans., 1,
1291 (1987)
�������������������������������� by
A. Y. L. Shu and C. Djerassi
1124. Sterols in
Marine Invertebrates. Part 57.�
Stereostructure, Synthesis, and Acid-catalysed Isomerization of
Hebesterol�A Biosynthetically Significant Cyclopropyl-containing Marine Sterol
�������������������������������� J. Chem. Soc. Perkin Trans., 1,
1307 (1987)
�������������������������������� by
J.H. Cho and C. Djerassi
1125 The
Politics of Contraception: The View from Tokyo
�������������������������������� Technology
in Society, 9, 157 (1987)
�������������������������������� By Carl Djerassi
1126. Contraception
in the Year 2001
In
Contraception in the Year 2001: Proceedings of an Excerpta Medica �����Foundation Symposium Held at the Royal
Netherlands
�������������������������������� Academy of
Sciences and Letters, Amsterdam, 2�3 October 1986,
�������������������������������� P. A. van
Keep, K. E. Davis and D. de Wied, eds. New York:
�������������������������������� Elsevier
Science Publishers B.V., 1987, pp. 205�222.
�������������������������������� by
Carl Djerassi
1127. Minor and Trace Sterols from Marine
Invertebrates 58. Stereostructure and ������������������� �Synthesis of New Sponge Sterols Jaspisterol
and Isojaspisterol
�������������������������������� J. Org. Chem., 52, 4517
(1987)
�������������������������������� by
J.H. Cho and C. Djerassi
1128. Biosynthesis of Three Cyclopropene-containing
Sterols in the Sponge Calyx niceaensis
����������������������������������� J. Chem. Soc., Chem. Commun.,
No. 19, 1441 (1987)
by�
C. Margot, C. A. N. Catalan, J. R.
Proudfoot, G. Sodano, D. Sica , and
C. Djerassi
1129. Steroid Ovulation Inhibitors (in
English)
�������������������������������� Wiener Medizinische
Wochenschrift, 137, 492 (1987)
�������������������������������� by Carl
Djerassi���������
1130. �My Mom, the
Professor� (letter)
�������������������������������� Science, 239, 10
(1998)
�������������������������������� by
Carl Djerassi
1131. �
Biosynthetic Studies of Marine Lipids 15.� Conversion of Parkeol
�������� � (Lanosta-9(11),24-dien-3ol)
to
-Methylcholest(11)-en--ol
in the
�������� � Sea Cucumber Holothuria arenicola
�������������������������������� Tetrahedron Letters, No. 29,
2159 (1988)
�������������������� ����������� by M. L. Cordeiro,
R. G. Kerr and C. Djerassi
1132. Translational
Energy Release and Stereochemistry of Steroids VIII.� The Mechanism of the Elimination of Water
from Metastable Ions in Epimeric 3-Hydroxy�
Steroids of the Series
����������� Org. Mass Spectrom., 23,
453 (1988)
����������� by
Z. V. I. Zaretskii, J. M. Curtis,
A. G. Brenton, J. H. Beynon and
����������� C.
Djerassi
1133. Translational
Energy Release and Stereochemistry of Steroids IX.� The Mechanism of the Elimination of Water
from Metastable Ions in Epimeric 3-Hydroxyl Steroids of the
series
����������� Org. Mass Spectrom., 23,
460 (1988)
����������� by
Z. V. I. Zaretskii, J. M. Curtis,
A. G. Brenton, J. H. Beynon and
����������� C.
Djerassi
1134. Biosynthetic
Studies of Marine Lipids 14.�
24(28)-Dehydroaplysterol and
�������� other
Sponge Sterols from Jaspis stellifera
����������� J. Org. Chem., 53, 3466
(1988)
����������� by J.H. Cho,
J. E. Thompson, I. L. Stoilov and C. Djerassi
1135. Unusual Sponge
Phospholipids and their Analogs.�
Synthesis and Interactions with Conventional Phospholipids and
Cholesterol in Model Membranes
�������������������������������� Chemistry and Physics of Lipids, 47,
165 (1988)
�������������������������������� by
E. Ayanoglu, H. Li, C. Djerassi and N. D�zg�nes
1136. Biosynthetic Studies of Marine
Lipids 18.� Biosynthesis of 3β-(Hydroxymethyl)-A-nor-5α-cholest-15-ene
in the Marine Sponge Phakellia Aruensis
�������������������������������� Tetrahedron Letters, No. 29,
4081 (1988)
�������������������������������� by S. Malik,
I. L. Stoilov and C. Djerassi
���
1137. Cell Membrane Localization of Long Chain C24-C30 Acids in Two� Marine
����������� � Demosponges
�������������������������������� Lipids, 23, 741 (1988)
�������������������������������� by
M. P. Lawson, J. E. Thompson and C. Djerassi
1138. Cell Membrane
Localization of Sterols with Conventional and Unusual
�������� � Side Chains in Two Marine Demosponges
�������������������������������� Lipids, 23, 750
(1988)
�������������������������������� by
M. P. Lawson, I. L. Stoilov, J. E. Thompson and
C. Djerassi
1139. Biosynthesis of
Marine Lipids 19.� Dealkylation of the
Sterol Side Chain in
�������� �Sponges
�������������������������������� J. Am. Chem. Soc., 110,
6895 (1988)
�������������������������������� by
S. Malik, R. G. Kerr and C. Djerassi
1140. Analogs of
Unusual Sponge Phospholipids.� Synthesis
and Thermotropic
�������� �Properties of
1,2-di-(6Z,9Z)-6,9-Hexacosadienoyl Phosphatidlycholine
�������� �and Phosphatidylethanolamine
�������������������������������� Chemistry and Physics of Lipids, 48,
109 (1988)
�������������������������������� by H. Li,
N. N. D�zg�nes, E. Ayanoglu and C. Djerassi
1141. Biosynthetic
Studies of Marine Lipids 17.� The Course
of Chain
�������� Elongation
and Desaturation in Long-Chain Fatty Acids of Marine
�������� Sponges
�������������������������������� J. Am. Chem. Soc., 110,
8117 (1988)
�������������������������������� by
S. Hahn, I. L. Stoilov, T. B. T. Ha,
D. Raederstorff,
�������������������������������� G. A. Doss,
H.T. Li and C. Djerassi
1142. Sterols in
Marine Invertebrates 60.� Isolation and
Structure Elucidation
�������� �Of Four New Steroidal Cyclopropenes from the
Sponge Calyx podatypa
�������������������������������� J. Am. Chem. Soc., 110,
8124 (1988)
�������������������������������� by
G. A. Doss and C. Djerassi
1143. Localization of
Long-Chain Fatty Acids and Unconventional Sterols in
�������� �Spherulous Cells of a Marine Sponge
�������������������������������� Lipids, 23, 1037 (1988)
�������������������������������� by
M. P. Lawson, J. E. Thompson and C. Djerassi
1144. Synthesis of
(24R,28R)- and (24S,28S)-24,28-Methylene-5-stigmasten-
���������� 3β- ol and Biosynthetic
Implications of Cyclopropyl Cleavage to
���������� 24-Substituted Cholesterols
�������������������������������� J. Org. Chem., 53,
5895 (1988)
�������������������������������� by J.L. Giner,
M. P. Zimmerman and C. Djerassi
1145. Biosynthetic
Studies of Marine Lipids 21.�
Experimental Demonstration of a������
Biosynthetic Interconversion of Cyclopropene Sterols in the Sponge
���������� Calyx
nicaeensis
�������������������������������� Tetrahedron
Letters, No. 29, 6051 (1988)
�������������������������������� by
G. A. Doss, C. Margot, G. Sodano and C. Djerassi
1146. Fatty Acids as
Biological Markers for Bacterial Symbionts in Sponges
�������������������������������� Lipids, 23, 1139 (1988)
����������� by
F. T. Gillan, I. L. Stoilov, J. E. Thompson,
R. W. Hogg,
����������� C. R. Wilkinson
and C. Djerassi
1147.
Stereospecificity and Regiospecificity of the Phosphorus Oxychloride
������������ Dehydration of Sterol Side Chain
Alcohols
�������������������������������� J. Org. Chem., 54,
369 (1989)
�������������������������������� by J.L. Giner,
C. Margot and C. Djerassi
1148. Biosynthetic
Studies of Marine Lipids 20.� Sequence of
Double-Bond Introduction in the Sponge Sterol 24β-Methylcholesta-5,7,22,25-tetraen-3
β -ol
�������������������������������� J. Org. Chem., 54,
1642 (1989)
����������� by V. John,
I. L. Stoilov, C. Djerassi, P. Karuso, A. Poiner and
����������� P. J. Scheuer
1149. Biosynthetic
Studies of Marine Lipids 16.� De Novo Sterol Biosynthesis
�������� in
Sponges.� Incorporation and
Transformation of Cycloartenol and
�������� Lanosterol
into Unconventional Sterols of Marine and Freshwater
�������� Sponges
�������������������������������� Tetrahedron Letters, No. 45, 1893 (1989)
�������������������������������� by
R. G. Kerr, I. L. Stoilov, J. E. Thompson and
C. Djerassi
1150. Biosynthetic
Studies of Marine Lipids 22.� Calysterol:
Some aspects
�������� of
Sterol Cyclopropene Biosynthesis in the sponge Calyx nicaeensis
�������������������������������� Tetrahedron Letters, No. 45, 1273 (1989)
�������������������������������� by
G. A. Doss, C. J. Silva and C. Djerassi
1151. The Distribution of Lipids and
Sterols in Cell Types from the Marine Sponge Pseudaxinyssa sp.
�������������������������������� Lipids, 24, 210
(1989)
�������������������������������� by
M. P. Zimmerman, F. C. Thomas, J. E. Thompson,
�������������������������������� C. Djerassi,
H. Streiner, E. Evans and P. T. Murphy
1152. Scope and
Regiochemical Control of the Allylpotassium Reaction
�������� � in the Synthesis of Sterols with Unsaturated
Side Chains
�������������������������������� J. Org. Chem., 54,
2117 (1989)
�������������������������������� by J.L. Giner,
C. Margot and C. Djerassi
1153. Phospholipid Studies of Marine
Organisms 22.� Structure and
������� �Biosynthesis of a Novel Brominated Fatty Acid
from a Hymeniacidonid
������� �Sponge
�������������������������������� J. Org. Chem., 54,
3428 (1989)
�������������������������������� by W-K. Lam,
S. Hahn, E. Ayanoglu and C. Djerassi
1154. Minor and Trace
Sterols in Marine Invertebrates 61.�
Isolation and Structure Elucidation of New A-nor Sterols from the Marine
Sponge Phakellia aruensis
����������� Steroids, 53, 271 (1989)��������������������������������
����������� by� S. Malik and C. Djerassi
�� 1155.�
Minor and Trace Sterols in Marine Invertebrates 62.� Novel Coprostanols with���� Unusual Side Chains from the Marine Sponge
Calyx nicaeensis
����������� Steroids, 53, 487
(1989)��������������������������������
����������� by� T. B. T. Ha and C. Djerassi
1156. The Bitter Pill
�������������������������������� Science, 245, 356 (1989)
�������������������������������� by
Carl Djerassi
1157. Unusual Pattern
of Fatty Acid Biosynthesis: Evidence for C19
�������� �Desaturase Activity in Freshwater Sponges
�������������������������������� J. Biol. Chem., 264,
21043 (1989)
�������������������������������� by
S. Hahn, W-K. Lam, I. Wu, C. J. Silva and
C. Djerassi
1158. Biosynthetic
Studies of Marine Lipids 24.�
Experimental Demonstration
�������� �of an Unprecedented Cyclopropane Cyclopropane
Rearrangement in
�������� �the Biosynthesis of the Sponge Sterol
Petrosterol
�������������������������������� J. Am. Chem. Soc., 112,
305 (1990)
�������������������������������� by
G. A. Doss, J. R. Proudfoot, C. J. Silva and
C. Djerassi
1159. Cholesterol
Interactions with Tetracosenoic Acid Phospholipids in Model
�������� �Cell Membranes:� Role of the Double-Bond Position
�������������������������������� Biochemistry, 29, 3466
(1990)
�������������������������������� by
E. Ayanoglu, B. H. Chiche, M. Beatty and C. Djerassi
1160. Biosynthetic
Studies of Marine Lipids 25.�
Biosynthesis of� D9(11) and
�������� D7
-Sterols
and Saponins in Sea Cucumbers
�������������������������������� J. Org. Chem., 55,
2806 (1990)
�������������������������������� by
M. L. Cordeiro and C. Djerassi
1161. Fertility
Awareness: Jet-Age Rhythm Method?
�������������������������������� Science, 248, 1061 (1990)
�������������������������������� by
Carl Djerassi
1162. Illuminating
Scientific Facts Through Fiction (Commentary)
�������������������������������� The Scientist, 4, 16 (1990)
�������������������������������� by
Carl Djerassi
1163. Covalently
Bound Fatty Acids in Membrane Proteins of Some Sponges
�������������������������������� Comp. Biochem. Physiol., 96B,
597 (1990)
�������������������������������� by
E. Ayanoglu, M. Rizzolio, S. Beaulieu, J. Roberts,
O. Oz
�������������������������������� and
C. Djerassi
1164. Cell Separation
of Tethya aurantia, an Analytical
Study of Embryonic
�������� �and Differentiated Sponge Cells
�������������������������������� Lipids, 25, 383
(1990)
�������������������������������� by
M. P. Zimmerman, M. Hoberg, E. Ayanoglu and
C. Djerassi
1165. Biosynthetic
Studies of Marine Lipids XXVIII.� Use of
Sponge Cell-Free
�������� �Extracts in the Study of Marine Sterol
Biosynthesis
�������������������������������� Tetrahedron Letters,� No. 31, 5421 (1990)
�������������������������������� by J.L. Giner
and C. Djerassi
1166. Biosynthetic
Studies of Marine Lipids XXIX.�
Demonstration of Sterol Side
�������� Chain
Dealkylation Using Cell-Free Extracts of Marine Sponges
�������������������������������� Tetrahedron Letters, No. 31, 5425 (1990)
�������������������������������� by
R. G. Kerr, B. J. Baker, S. L. Kerr and
C. Djerassi
1167. Structure and
Biosynthesis of Cyclopropane-Containing Sterols of Marine
�������� �Origin
�������������������������������� New J. Chem., 14, 713
(1990)
�������������������������������� By
C. Djerassi and G. A. Doss
1168. Inhibition and
Substrate Specificity of Yeast D22-Desaturase
����������������������������������� Biochem. Biophys. Res. Commun.,173,
60 (1990)
����������������������������������� J.L. Giner
and C. Djerassi
1169. Biosynthetic
Studies of Marine Lipids 32.� The Missing
Step in Sterol
�������� Cyclopropyl
Biosynthesis: Enzymatic Desaturation of 24(S)-Ethylcholesterol
�������������������������������� J. Am. Chem. Soc.,
112, 9626 (1990)
����������������������������������� J.L. Giner,
C. J. Silva and C. Djerassi
1170. Sterols of
Marine Invertebrates 63.� Isolation and
Structure Elucidation
�������� � of Sutinasterol, the Major Sterol of the
Marine Sponge Xestospongia sp.
�������������������������������� J. Org. Chem., 56,
58 (1991)
����������������������������������� by R. G.
Kerr, S. L. Kerr, G. R. Pettit, D. L. Herald,
T. L. Groy and
����������������������������������� C. Djerassi
1171. Biosynthetic
Studies of Marine Lipids 26.� Elucidation
of the Biosynthesis of Mutasterol, a Sponge Sterol with a Quaternary Carbon in
Its Side Chain
�������������������������������� J. Am. Chem. Soc.,
56, 63 (1991)
������������������������������� by R. G. Kerr,
S. L. Kerr and C. Djerassi
1172. Biosynthesis of
24-Methylene-25-Methylcholesterol Phaseolus
vulgaris
������������������������������� Phytochemistry, 30,
811 (1991)
������������������������������� by J.L. Giner
and C. Djerassi
1173. Metabolism of
Unusual Membrane Phospholipids in the Marine Sponge� Microciona
prolifera
������������������������������� Biochemistry, 30,
372 (1991)
������������������������������� by
W.-k. Lam, M. F. Beatty, S. Hahn and C. Djerassi
1174. Biosynthetic
Studies of Marine Lipids 31.� Evidence
for a Protonated
������� � Cyclopropyl Intermediate in the Biosynthesis
of 24-Propylidenecholesterol
������������������������������� J. Am. Chem. Soc.,
113, 1386 (1991)
������������������������������� by
J.L. Giner and C. Djerassi
1175. Dinoflagellates
Cyclize Squalene Oxide to Lanosterol
������� � ��������������������� Biochemical Systematics and Ecology,
19, 143 (1991)
������������������������������� by
J.L. Giner, L. W�nsche, R. A. Andersen and C. Djerassi
1176. Biosynthetic
Studies of Marine Lipids 33.�
Biosynthesis of Dinosterol,
������� � Peridinosterol, and Gorgosterol: Unusual
Patterns of Bioalkylation in
������� � Dinoflagellate Sterols
������������������������������� J. Org. Chem., 56, 2357
(1991)
������������������������������� by
J.L. Giner and C. Djerassi
1177. Isolation,
Stereochemistry, and Biosynthesis of Sormosterol, a Novel
������� � Cyclopropane-Containing Sponge Sterol
������������������������������� Collect. Czech. Chem. Commun., 56,
1093 (1991)
������� ����������������������� by C. J. Silva
and C. Djerassi
1178. Sponge
Phospholipids
������������������������������� Accounts of Chemical Research, 24,
69 (1991)
������������������������������� by
C. Djerassi and W.-K. Lam
1179. Some Forms of
Art Patronage
������������������������������� Bulletin of the American Academy of Arts and
Sciences, 44,, 51 (1991)
������������������������������� by
C. Djerassi
1180. Biosynthetic
Studies of Marine Lipids 34.�
Stereochemical Features of the
������� Enzymatic
C-Methylation on the Path to Isofucosterol and Fucosterol
������������������������������� J. Am. Chem. Soc.,
113, 3530 (1991)
������������������������������� by
M. P. Zimmerman and C. Djerassi
1181. New Contraceptives:
Utopian or Victorian?
������������������������������� Sci. Publ. Affairs, 6, 5
(1991)
������������������������������� by
C. Djerassi
1182. Arylmagnesium
Bromide Additions to 1-Tetralone-2-acetic-Acid Followed
������� � by Catalytic Hydrogenolysis: Stereochemical
Consequences
�������������������������������� J. Org. Chem.,
56, 5360 (1991)
����������������������������������� by
C. Djerassi, G. R. Pettit, D. L. Herald and
D. R. Sanson
1183. Biosynthetic
Studies of Marine Lipids 35.� The
Demonstration of De Novo
������� � Sterol Biosynthesis in Sponges Using
Radiolabeled Isoprenoid Precursors
������������������������������� Comp. Biochem. Physiol., 99B,
763 (1991)
������������������������������� by
C. J. Silva, L. W�nsche and C. Djerassi
1184. Phospholipid
Studies of Marine Organisms 26.�
Interactions of some
������� � Marine Sterols with 1-Stearoyl-2-Oleoyl
Phosphatidycholine (SOPC)
������� � In Model Membranes
������������������������������� Chemistry and Physics of Lipids, 59,
245 (1991)
������������������������������� by
M. C. Dai, H. B. Chiche, N. D�zg�nes, E. Ayanoglu and
������������������������������� C. Djerassi
1185. Structure and
Biosynthesis of Cyclopropane-Containing Sterols
������� � of Marine Origin
������������������������������� In
Studies in Natural Products Chemistry,
Vol. 9, A.-u.-Rahman,
������������������������������� ed.
Amsterdam: Elsevier Science Publishers B.V., 1991,
������������������������������� pp. 35�50
������������������������������� by
C. Djerassi
1186. Sponge
Sterols:� Origins and Biosynthesis
������������������������������� Accounts of Chemical Research, 24,
371 (1991)
������������������������������� by
C. Djerassi and C. J. Silva
1187. Mentoring:� A Cure for Science Bashing?
������������������������������� Chemical & Engineering News, 69
�(47), 30 (1991)
������������������������������� by
C. Djerassi
1188. Biosynthetic
Studies of Marine Lipids 37.� Enzymatic
Desaturation
of 24(S)Methylcholesterol to
23,24Methylenecholesterol,
Norficisterol, and Norhebesterol.� Further Evidence for a Unified
Biosynthesis of Marine Sterols with
Unique Side Chains
������������������������������� J. Am. Chem. Soc.,
114, 295 (1992)
������������������������������� by
C. J. Silva, J.L. Giner and C. Djerassi
1189. Biosynthetic
Studies of Marine Lipids 38.� Mechanism
and Scope of Sterol
������� � Side Chain Dealkylation in Sponges: Evidence
for Concurrent Alkylation
������� � and Dealkylation
������������������������������� J. Am. Chem. Soc.,
114, 299 (1992)
������������������������������� by R. G. Kerr,
S. L. Kerr, S. Malik and C. Djerassi
1190. Biosynthetic
Studies of Marine Lipids 39.�
19-Norsterols: The Course
������� � of C-19 Methyl Elimination
������������������������������� J. Am. Chem. Soc.,
114, 304 (1992)
������������������������������� by
M. H. Rabinowitz and C. Djerassi
1191. Biosynthetic
Studies of Marine Lipids 36.� The Origin
of Common Sterol
������� � Side Chains in Eleven Sponges Using [3-3H]-Squalene
������������������������������� Comp. Biochem. Physiol., 101B,
255 (1992)
������������������������������� �by C. J. Silva and C. Djerassi
1192. Priestley Medal Address: From
the Lab into the World
������������������� ����������� Chemical & Engineering News,
April 6, 1992, 33
������������������� ����������� by
C. Djerassi
�
1193. Minor and Trace
Sterols in Marine Invertebrates 65.�
������� � 23-Epidihydrocalysterol: A New
Cyclopropane-Containing Sponge Sterol
������������������������������� Steroids, 57, 258 (1992)
������������������������������� by
J.L. Giner and C. Djerassi
1194. Biosynthetic
Studies of Marine Lipids 40.� Generation
of the Cyclopropane
����������� � Ring of Sormosterol
����������������������� � ��������� Acta Chemica Scandinavica, 46,
678 (1992)
������������������������������� by
J.L. Giner and C. Djerassi
1195. The Need for
Birth Control: Why and What Kind?
������������������������������� Engineering & Science, 15,
21 (1992)
������������������������������� by
C. Djerassi
�1196. Drugs from Third World Plants: The
Future (letter)
������������������������������� Science, 258, 203 (1992)
������������������������������� by
C. Djerassi
����
1197.� Evidence for Sterol
Side-Chain Dealkylation in Chlamydomonas
reinhardtii
������������������������������� Phytochemistry, 31,
3865 (1992)
������������������������������� by
J.L. Giner and C. Djerassi
1198.�
Steroid Research at Syntex: �The Pill� and Cortisone
������������������������������� Steroids, 57, 631
(1992)
����������������������������������� by
C. Djerassi
1199.� Steroids Made It Possible
����������������������� Organic Mass Spectrometry, 27,
1341 (1992)
����������������������������������� by
C. Djerassi
1200. NMR Study of
Kinetic HH/HD/DH/DD Isotope Effects on the Tautomerism of Acetylporphyrin:
Evidence for a Stepwise Double Proton Transfer
������������������������������� J. Am. Chem. Soc., 115, 4554 (1993)
������������������������������� by
M. Schlabach, H.H. Limbach, E. Bunnenberg,
A. Y. L. Shu,
������������������������������� B.R. Tolf and
Carl Djerassi
1201. Contraception and Abortion from the Ancient World to the Renaissance and
contraception:������� �� Newer
Pharmacological Agents, Devices, and Delivery�
Systems (book reviews)
����������������������� New England Journal of Medicine, 329,
143 (1993)
����������������������������������� by
Carl Djerassi
1202. Managing
Competing Interests: Chastity vs. Promiscuity.
��������� �In Ethics, Values, and the Promise of
Science, Forum Proceedings. Sigma Xi.
������������������������������� The Scientific
Research Society, Research Triangle Park, pp. 31�45 (1993)
����������������������������������� by
Carl Djerassi
1203. Basic Research:
The Gray Zone
������������������������������� Science, 261, 972
(1993)
������������������������������� by
Carl Djerassi
1204. Biosynthetic
Studies of Marine Lipids 42.�
Biosynthesis of Steroid and
������� � Triterpenoid Metabolites in the Sea Cucumber Eupentacta fraudatrix
������������������������������� Steroids, 58, 508 (1993)
������������������������������� by
T. N. Makarieva, V. A. Stonik, I. I. Kapustina,
V. M Boguslavsky,
A. S. Dmitrenoik,
V. I. Kalinin, M. L. Cordeiro and Carl Djerassi
1205. Reply to Early
Oral Contraceptive History: Norethynodrel Is Not a
������� � Prohormone (letter)
������������������������������� Steroids, 59, 59 (1994)
������������������������������� by Carl Djerassi
1206. A New Look at
Male Contraception
������������������������������� Nature, 370, 11 (1994)
������������������������������� by Carl Djerassi
and S. P. Leibo
1207. Birth Control
in Japan: Realities and Prognosis
������������������������������� Science, 266, 1048
(1995)
������������������������������� by M. Jitsukawa
and Carl Djerassi
1208. The Mother of
the Pill
������������������������������� Recent Progress in Hormone Research,
50, 1 (1995)
������������������������������� by Carl Djerassi
1209. A
Reinvestigation of the Biosynthesis of Lanosterol in Euphorbia Lathyris
������������������������������� Phytochemistry, 39,
333 (1995)
������������������������������� by J.L. Giner
and Carl. Djerassi
1210. Untitled letter
to Science about the section �Conduct
in Science�
������������������������������� Science, 269, 1119
(1995)
������������������������������� by Carl Djerassi
1211. Why Japan Ought
to Legalize the Pill
������������������������������� Nature, 379, 579 (1996)
������������������������������� by H. Maruyama,
J. H. Raphael and Carl Djerassi
1212. The Revolution
Revisited (letter)
������������������������������� Family Planning Perspectives, 28,
79 (1996)
������������������������������� by C. Djerassi
1213. The Economics
of Contraceptives R&D (letter)
������������������������������� Science, 272, 1857
(1996)
������������������������������� by C.
Djerassi
1214.�
Natural Product Structure Elucidation: 1950� 2000
������������������������������� In
Pioneering Ideas for the Physical and
Chemical Sciences:
Josef
Loschmidt�s Contributions and Modern Developments �in Structural Organic Chemistry, Atomistics,
and Statistical �Mechanics:� Proc. the Josef Loschmidt Symposium, June
25�27, 1995, �Vienna, Austria. W. Fleischhacker� &
T. Sch�nfeld, eds. New
York: Plenum Press, 1997, 15�24.
������������������������������� by C. Djerassi
1215. Book Reviews:
In Retrospect�Chosen by Carl Djerassi
������� � The
Struggles of Albert Woods by William Cooper
������������������������������� Nature, 392, 244
(1998)
������������������������������� by C.
Djerassi
1216. Ethical
Discourse by Science-in-Fiction
������������������������������� Nature, 393, 511 (1998)
������������������������������� by C.
Djerassi
1217. Surely You�re
Joking (book review of Dancing Naked in
the Mind Field
������� �� by Kary Mullis)
������������������������������� New Scientist, 21 November
1998, 51
������������������������������� by Carl Djerassi
1218.�� Who will mentor the Mentors? (commentary)
������������������������������� Nature, 397, 291 (1999)
������������������������������� by Carl Djerassi
1219. On the Pill: A Social History of Oral
Contraceptives, 1950�1970
������� � (review of a book with that title by
Elizabeth Siegel Watkins)
������������������������������� New England Journal of Medicine, 340,
485 (1999)
������������������������������� by Carl Djerassi
1220. Sex in an Age
of Mechanical Reproduction
������������������������������� Science, 285, 53
(1999)
������������������������������� by Carl Djerassi
���� 1221. Under the Covers or Under a Lens
(book review of Designing Babies by
������������������� Roger Gosden)
������������������������������� Nature, 400, 327 (1999)
������������������������������� by Carl Djerassi
�� 1222. �Macho Total Synthesis� (letter)
������������������������������� Science, 285, 835 (1999)
������������������������������� by Carl
Djerassi
1223. Response to a
letter entitled �Intracytoplasmic Sperm Injection� about his
������� � Essay �Sex in an Age of Mechanical
Reproduction� (letter)
������������������������������� Science, 286, 52
(1999)
������������������������������� by Carl Djerassi
� 1224. Useful Work (Presidential Forum paper
from December 1998 Convention
������� � of the Modern Language Association of
America)
������������������������������� in Profession 1999,
P. Franklin, ed.� New York, Modern
Language
������������������������������� Association
of America, 1999, pp. 36�48.
������������������������������� by Carl Djerassi
��� 1225. Chemical Education Today: Oxygen.
����������������������� ���������� Journal
of Chemical Education, 78, 283
(2001).
��������� �������������������� by Carl Djerassi and Roald
Hoffmann
��� 1226. History of Oral Contraceptives.
In: Encyclopedia
of Life Sciences, Nature Publishing Group, London (2001).
������� �� �������������������� by Carl Djerassi
��� 1227. Technology and Human Reproduction:
1950�2050.
����������������������������������� Journal of Molecular Biology, 319,
979 (2002).
������������������������������� by Carl Djerassi
��� 1228.�
Science�s Compass: Political,
Not Scientific, Birth Control Solutions.
����������������������������������� Science, 297, 1120 (2002).
������������������������������� by Carl Djerassi.
��� 1229.�
Contemporary �Science-in-Theatre�: A Rare Genre.
����������������������������������� Interdisciplinary Science Reviews,
27 (3), 193 (2002).
����������������������������������� by Carl Djerassi.
1230. The Paucity of Grants among Young
Scientists (Letter to the Editor).
����������������������������������� Science, 298, 2328 (2002).
����������������������������������� by Carl Djerassi.
��� 1231. What�s Popular in Science? (Closing
Lecture).
����������������������������������� Nova Acta Leopoldina, NF 87
(325), 245 (2003).
����������������������������������� by Carl Djerassi
�� 1232.�
Celebrating the Periodic Table:�
Oxygen
����������������������� ����������� Chemical and Engineering News, 81, 46
����������������������������������� by Carl
Djerassi
�� 1233.�
Waiting for the Man (review of The Male Pill by Nelly Oudshoorn)
Times Literary Supplement, No. 5248 (Oct. 31,
2003)
By Carl Djerassi
�� 1234.�
2003 Erasmus Lecture. Sex and Reproduction:� Ready for Divorce
European Review, 12, (1) 3-17
(2004)
by Carl Djerassi
��
1235 � Chemical Safety in a Vulnerable World -A
Manifesto.
Angewandte Chemie
International Edition,
43 (18), 2330-2332 (2004)
����������� by
Carl Djerassi
��
1236 � Asian Brains:�
U.S. v. Europe (letter)
Science, 305, 609,
611 (July 30, 2004)
by Carl Djerassi
��
1237.� Conceiving Birth Control
(letter)
Chemical &
Engineering News,
82 (41), 9 (October 11, 2004)
by Carl Djerassi
��
1238.� No Political Will to Seek
Innovative Contraception (Letter)
Nature, 433, 683
(February 17, 2005)
by Carl Djerassi
�� 1239.�
Combining Parenting and a Science Career (letter)
Science, 307, 1720
(March 18, 2005)
by Carl Djerassi
�
1240. Chemical Birth of the Pill
American Journal of
Obstetrics and Gynecology, 194, 290-298 (2005)
By Carl Djerassi
�
1241. A concrete example, When the
cracks begin to show.
Nature, Vol. 444. 122
(February 11), 2006
By J-P� Boon, J. Casti, C. Djerassi, J. Johnson, A.
Lovett, T. Norretranders,
V.Patera, C.
Sommerer, R. Taylor &� S. Turner
�
1242. Play Scene: Are sex and
fertilization ready for divorce?
The Lancet, 368, Medicine &
Creativity Special issue, pp. S55-S57. (Dec. 2006)
By Carl Djerassi
�
1243. Medical Milestones. The
pill:� Emblem of Liberation.
British Medical
Journal,
334 (suppl.), s15, (2007)
By Carl Djerassi
�
1244. Leusuceutics: Opportunity or
Curse?
By C. Djerassi
Chem/Med/Chem, 2, 1533 (2007)
�
1245.Sport Doping � A Double Blind Proposal
������
By C. Djerassi
������
Chem/Med/Chem, 3, 361 (2008)
� 1247� The Pill at 50 (in Germany): Thriving or
Surviving?
By C. Djerassi
J Reprod Med &Endocrinology. 8 (Special issue
1),14�31 (2011.
..1248� 50 Jahre Pille in
Deutschland�A Replik (in English)
����������������������� By
C. Djerassi
����������������������� Chem.
Unserer Zeit, 45, 424 � 429 (2011)