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Priority claimed from CH6947559Aexternal-prioritypatent/CH383953A/de
Application filed by Ciba GeigyfiledCriticalCiba Geigy
Publication of BE587497ApublicationCriticalpatent/BE587497A/fr
C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J75/00—Processes for the preparation of steroids in general
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BE587497A1959-02-121960-02-11Procédé pour la préparation, à partir de 18,20-oxido-prégnanes, de 18-hydroxy-prégnanes et de leurs dérivés
BE587497A
(fr)