630 results on '"Djerassi, C."'
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202. ChemInform Abstract: SYNTHESIS OF THE FOUR STEREOISOMERS OF 22,23‐DIMETHYLCHOLESTEROL
203. ChemInform Abstract: ISOLATION AND STRUCTURE ELUCIDATION OF 22(S),23(S)-METHYLENECHOLESTEROL. EVIDENCE FOR DIRECT BIOALKYLATION OF 22-DEHYDROCHOLESTEROL
204. ChemInform Abstract: TERPENOIDS. LXXVI. PRECAPNELLADIENE, A POSSIBLE BIOSYNTHETIC PRECURSOR OF THE E CAPNELLANE SKELETON
205. ChemInform Abstract: CARBON‐13 NUCLEAR MAGNETIC RESONANCE SPECTRA OF KETO STEROIDS
206. ChemInform Abstract: STEROLS IN MARINE INVERTEBRATES. 51. ISOLATION AND STRUCTURE ELUCIDATION OF C-18 FUNCTIONALIZED STEROLS FROM THE SOFT CORAL SINULARIA DISSECTA
207. ChemInform Abstract: STEREOCHEMICAL EFFECTS IN CYCLOPROPANE RING OPENINGS: SYNTHESIS AND ISOMERIZATION OF PETROSTEROL AND ALL THREE OF ITS TRANS CYCLOPROPANE DIASTEREOMERS
208. ChemInform Abstract: MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 15. FICISTEROL (23-ETHYL-24-METHYL-27-NORCHOLESTA-5,25-DIEN-3β-OL). A BIOSYNTHETICALLY UNPRECEDENTED STEROL FROM THE MARINE SPONGE PETROSIA FICIFORMIS
209. ChemInform Abstract: OPTICAL ROTARY DISPERSION STUDIES. 129. CONFORMATIONAL ISOTOPE EFFECTS AND OCTANT CONTRIBUTIONS OF METHYL‐D3 AND METHYL (CARBON‐13) GROUPS IN CYCLOHEXANONE
210. ChemInform Abstract: SYNTHESIS AND ABSOLUTE CONFIGURATION OF NEW TRICHLORO STEROIDS WITH CYCLOPROPANE-CONTAINING SIDE CHAINS
211. ChemInform Abstract: STEREOSELECTIVE SYNTHESIS VIA CLAISEN REARRANGEMENTS OF THE MARINE STEROLS OCCELASTEROL, PATINOSTEROL, AND 22,23‐DIHYDROOCCELASTEROL
212. ChemInform Abstract: OPTICAL ROTATORY DISPERSION STUDIES. 127. CHIRALITY DUE TO CARBON‐13 SUBSTITUTION. SYNTHESIS AND CHIROPTICAL PROPERTIES OF (1S)‐2‐ADAMANTANONE‐4‐13C AND (1S)‐2,4‐ADAMANTANEDIONE‐4‐13C
213. ChemInform Abstract: Magnetic Circular Dichroism Studies. Part 68. Substituent Conformational Effects in the Magnetic Circular Dichroism and Absorption Spectra of Free‐Base Carbonyl Porphyrins.
214. ChemInform Abstract: STEREOSPECIFIC SYNTHESIS OF DINOSTEROL
215. ChemInform Abstract: FACTORS GOVERNING THE RELATIVE STABILITIES OF THE C D CIS AND TRANS RING JUNCTURES IN Δ8-11-KETO STEROIDS
216. ChemInform Abstract: OPTICAL ROTATORY DISPERSION STUDIES. 134. ABSOLUTE CONFIGURATION AND CIRCULAR R DICHROISM SPECTRUM OF (R)‐(2‐2H1)CYCLOPENTANONE. DEMONSTRATION OF A CONFORMATIONAL ISOTOPE EFFECT
217. ChemInform Abstract: MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS. PART 256. THE MASS SPECTROMETRIC BEHAVIOR OF 3α,5-CYCLO-5α-CHOLESTAN-6β-YL ALKYL ETHERS
218. ChemInform Abstract: ADDITIVITY RELATIONS IN CARBON‐13 NUCLEAR MAGNETIC RESONANCE SPECTRA OF DIHYDROXY STEROIDS
219. ChemInform Abstract: STEREOSELECTIVE SYNTHESIS OF (22R)‐ AND (22S)‐22‐METHYLCHOLESTEROL
220. ChemInform Abstract: USE OF N-LITHIOETHYLENEDIAMINE IN THE DOUBLE BOND ISOMERIZATION AND DEGRADATION OF STEROL SIDE CHAINS
221. ChemInform Abstract: MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. XII. OCCURRENCE OF 24(R + S)-ISOPROPENYLCHOLESTEROL, 24(R + S)-METHYLCHOLESTA-5,25-DIEN-3β-OL, AND 24(R + S)-METHYLCHOLESTA-7,25-DIEN-3β-OL IN THE CARIBBEAN SPONGE, VERONGIA CAULIFORMIS
222. ChemInform Abstract: ′APPLICATION OF ARTIFICIAL INTELLIGENCE FOR CHEMICAL INFERENCE′. PART XXXVI. COMPUTER ASSISTED STRUCTURAL INTERPRETATION OF MASS SPECTRAL DATA
223. ChemInform Abstract: THE MAGNETIC CIRCULAR DICHROISM SPECTRUM OF CARBON DISULFIDE
224. ChemInform Abstract: THE SYNTHESIS OF DEMETHYLGORGOSTEROL
225. ChemInform Abstract: MAGNETIC CIRCULAR DICHROISM STUDIES. 51. MAGNETIC CIRCULAR DICHROISM STUDIES OF NON-IRON ′HYPER′ PORPHYRIN COMPLEXES AS MODELS FOR REDUCED + CARBON MONOXIDE CYTOCHROME P-450
226. ChemInform Abstract: MARINE NATURAL PRODUCTS. SYNTHESIS OF FOUR NATURALLY OCCURRING 20β-H CHOLANIC ACID DERIVATIVES
227. ChemInform Abstract: Stereospecificity and Regiospecificity of the Phosphorus Oxychloride Dehydration of Sterol Side Chain Alcohols.
228. ChemInform Abstract: SYNTHESIS AND STEREOCHEMICAL ASSIGNMENT OF (22R,24S)‐, (22R,24R)‐, (22S,24R)‐, AND (22S,24S)‐22,24‐DIMETHYLCHOLESTEROL
229. ChemInform Abstract: ISOLATION OF 22‐METHYLENECHOLESTEROL. FURTHER EVIDENCE FOR DIRECT BIOALKYLATION OF 22‐DEHYDROCHOLESTEROL
230. ChemInform Abstract: MINOR AND TRACE STEROLS FROM MARINE INVERTEBRATES. 50. STEREOSTRUCTURE AND SYNTHESIS OF NICASTEROL, A NOVEL CYCLOPROPANE‐CONTAINING SPONGE STEROL
231. ChemInform Abstract: ACID‐CATALYZED AND PHOTOCHEMICAL ISOMERIZATION OF STEROIDAL CYCLOPROPENES
232. ChemInform Abstract: MASSENSPEKTREN BEI STRUKTUR- UND STEREOCHEMISCHEN PROBLEMEN 202. MITT. WECHSELWIRKUNG ENTFERNT STEHENDER FUNKTIONELLER GRUPPEN ACYCLISCHER SYST. BEI ELEKTRONENSTOSS
233. Mass spectrometry in structural and stereochemical problems—CXLVIII
234. ChemInform Abstract: MASSENSPEKTREN BEI STRUKTURELLEN UND STEREOCHEMISCHEN FRAGEN 209. MITT. DIE WECHSELWIRKUNG FUNKTIONELLER GRUPPEN BEI ELEKTRONENSTOSS, ANOMALE AETHERSPALTUNG BEI BIFUNKTIONELLEN BENZYLOXYAETHERN
235. Flechteninhaltsstoffe—XXXI
236. ChemInform Abstract: TERPENOIDE 68. MITT. 23XI-ACETOXY-17-DESOXY-7,8-DIHYDROHOLOTHURINOGENIN, EIN NEUES TRITERPEN-SAPOGENIN AUS EINER SEEGURKE
237. ChemInform Abstract: UNTERSUCHUNGEN UEBER DIE OPTISCHE ROTATIONSDISPERSION 118. MITT. ALIPHATISCHE C-NITROSO-VERBINDUNGEN
238. ChemInform Abstract: MASSEN‐SPEKTREN BEI STRUKTURELLEN UND STEREOCHEMISCHEN FRAGEN 215. MITT. VERHALTEN PHENYL‐SUBSTITUIERTER ALPHA,BETA‐UNGESAETTIGTER KETONE UNTER ELEKTRONENSTOSS, BESCHLEUNIGUNG VON WASSERSTOFF‐UMLAGERUNGSVORGAENGEN
239. ChemInform Abstract: SEITENKETTEN-UMWANDLUNGEN UND MARKIERUNG MIT DEUTERIUM IN DER REIHE DER STEROID-SAPOGENINE
240. ChemInform Abstract: DIE MASSENSPEKTROSKOPIE BEI STRUKTURELLEN UND STEREOCHEMISCHEN PROBLEMEN 213. MITT. DER EINFLUSS DER RINGGROESSE AUF DAS VERH. VON STEROIDKETONEN UNTER ELEKTRONENSTOSS
241. Steroids. CXXX.1 Synthesis of 12β-Hydroxyprednisolone 11β,12β-Acetonide 21-Acetate
242. Additions and Corrections - Alkaloid Studies. XXXIII. Mass Spectrometry in Structural and Stereochemical Problems. VI. Polyneuridine, A New Alkaloid from Aspidosperma Polyneuron , and Some Observations on Mass Spectra of Indole Alkaloids.
243. ChemInform Abstract: MASSENSPEKTROMETRIE BEI DER LOESUNG STRUKTURELLER UND STEREOCHEMISCHER FRAGEN 181. MITT. EINFLUSS FUNKTIONELLER GRUPPEN AN 4-SUBSTITUIERTEN CYCLOHEXANONEN AUF DEN ELEKTRONENSTOSS
244. ChemInform Abstract: MASSENSPEKTROSKOPIE BEI DER LOESUNG STRUKTURELLER UND STEREOCHEMISCHER PROBLEME 182. MITT. 10‐PHENYL‐2‐DECALONE, SYNTH. UND ELEKTRONENSTOSSBEDINGTE PHENYLWANDERUNG BEI TRANS‐10‐PHENYL‐DELTA(3)‐2‐OCTALON
245. ChemInform Abstract: STRUKTUR VON JEGOSAPOGENOL (BARRINGTOGENOL C, AESCINIDIN) UND KONFIG. AN C-21 UND C-22 BEI BARRINGTOGENOL D, AESCIGENIN, PROTOAESCIGENIN UND ISOAESCIGENIN
246. ChemInform Abstract: ALKALOID-STUDIEN 64. MITT. KRISTALLSTRUKTUR UND ABSOLUTE KONFIGURATION VON (-)-17-O-METHYL-ASPIDODISPERMIN-N(B)-HYDROBROMIED
247. Elektronenstoß-induzierte Umlagerungen organischer Moleküle
248. ChemInform Abstract: DER MECHANISMUS DER RED. VON STEROID‐KETONEN MIT DIBORAN
249. ChemInform Abstract: SYNTH. UND BIOLOGISCHE AKTIVITAET VON D-BISHOMO-STEROIDEN
250. ChemInform Abstract: MASSENSPEKTROSKOPIE ZUR UNTERSUCHUNG STRUKTURELLER UND STEREOCHEMISCHER PROBLEME 173. MITT. FRAGMENTIERUNGEN UND UMLAGERUNGSRK. AN DEN TRIMETHYLSILYLESTERN VON OMEGA‐PHENOXYALKANCARBONSAEUREN
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