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Priority claimed from CH6947559Aexternal-prioritypatent/CH383953A/de
Application filed by Ciba GeigyfiledCriticalCiba Geigy
Publication of BE587496ApublicationCriticalpatent/BE587496A/fr
C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
C07J7/0065—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by an OH group free esterified or etherified
C07J7/007—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by an OH group free esterified or etherified not substituted in position 17 alfa
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
C07J71/0005—Oxygen-containing hetero ring
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Chemical & Material Sciences
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Organic Chemistry
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Health & Medical Sciences
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General Health & Medical Sciences
(AREA)
BE587496A1959-02-121960-02-11Procédé de préparation de 18,20-oxido-prégnanes
BE587496A
(fr)