Verfahren zur Herstellung von Pregnapentaenen

The invention comprises a steroid of the formula wherein R is hydrogen or lower alkanoyl, R1 is hydrogen, methyl, fluoromethyl, difluoromethyl, trifluoromethyl or fluorine, R2 is hydrogen, a -methyl, b -methyl, a -hydroxyl, a -lower alkanoyloxy, R3 is hydrogen or hydroxyl, R4 i hydrogen, hydroxyl,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DAVID HELLER,MILTON, BERNSTEIN,SEYMOUR, HERMAN LENHARD,ROBERT
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES STEROIDS
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