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) Birkhäuser, 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. Über 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. Sjöberg, 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. Sjöberg.
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. Sjöberg.
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. Lüttringhaus.
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. Sjöberg.
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. CasasCampillo 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. Wilkinson.
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. Lévy, 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 Conformation 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. Sĭpoš and M. Tichў
416. Terpenoids. LII. Constitution and Absolute
Configuration of Eremophilenolide.
Tetrahedron,
19, 1101 (1963)
By L. Novotny, J. Jizba, V. Herout, F. Šorm, L.H. zalkow, S. Hu and C. Djerassi
417. Mass Spectrometry in Structural and Stereo-chemical
Problems. XXV. Mass Spectrometric Investigations 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 Fragmentation 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.
Formation 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. Lévy, J. LeMen and M.-M. Janot
423. Terpenoids LIII. Demonstration of Ring
Conformational 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. Vorbrüggen, 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 Spectrometric 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.Šantavў 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.Lévy, J.Gosset, J. LeMen
and M.-M. Janot
443. Mass Spectrometry in Structural and
Stereo-chemical Problems XXXVII. Tropone and Tropolone Derivatives.
Tetrahedron,
19, 2247 (1963)
By J.M.Wilson, M.Ohashi, H.Budzikiewicz, C.Djerassi, S.Itô 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 Behavior 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. Budzikiewicz and C. Djerassi.
455. Mass Spectrometry in Structural and
Stereo-chemical Problems XLIX. The Mass Spectrometric 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 Spectrometric 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. Budzikiewicz 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-Unsaturated
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. Budzikiewicz
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.
Superposed 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. Vorbrüggen 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. Tökés 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 Desulfurization
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. Tökés.
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. Tökés.
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 Rearrangements 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 Semicarbazones.
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 Rearrangement of
Thiocarbonates, Carbamates and Thiocarbamates.
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 Cinchophyllamine 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 Polysubstituted 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. Sjöberg, 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. Tökes, R. T. LaLonde and C. Djerassi.
591. Mass Spectrometry in Structural and
Stereochemical Problems CXXVII. Synthesis and Fragmentation Behavior of
Deuterium-Labeled 20-Keto Steroids.
J.
Org. Chem., 32, 1020 (1967)
By L. Tökes, 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 Rearrangement
Reactions of Organic Molecules.
Angew.
Chem. Intern. Ed. Eng., 6, 477 (1967)
By P. Brown and C. Djerassi.
595a. Elektronenstoss-induzierte Umlagerungen organischer
Moleküle.
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 Isoquinoline 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. Sandström
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 Fragmentation 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. Tümmler.
632. Mass Spectrometry in Structural and
Stereochemical Problems. CXLII. Electron Impact Induced Analogies to Thermal
Elimination Processes in S-Methyl Xanthates 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 Fragmentation 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 Fragmentation 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 Fragmentations and
Rearrangements of Some Trimethylsilyl 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. Tökés, 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 Fragmentation 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 Fragmentation 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
Invertebrates 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. Tökés 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 Fragmentations
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
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