FR1305316A - Procédé de préparation de stéroïdes, en particulier des esters 6-méthyl-17 alpha-hydroxyprogestérone et leurs intermédiaires
- Google Patents
Procédé de préparation de stéroïdes, en particulier des esters 6-méthyl-17 alpha-hydroxyprogestérone et leurs intermédiaires
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Pharmacia and Upjohn Co
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Upjohn Co
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Priority to FR774881ApriorityCriticalpatent/FR1305316A/fr
Application grantedgrantedCritical
Publication of FR1305316ApublicationCriticalpatent/FR1305316A/fr
C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
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
C07J75/00—Processes for the preparation of steroids in general
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Organic Chemistry
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Health & Medical Sciences
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General Health & Medical Sciences
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FR774881A1958-09-191958-09-19Procédé de préparation de stéroïdes, en particulier des esters 6-méthyl-17 alpha-hydroxyprogestérone et leurs intermédiaires
ExpiredFR1305316A
(fr)
Procédé de préparation de fluoro-composés de la série du prégnane, notamment de la 16alpha-méthyl-6alpha,9alpha-difluoro-hydrocortisone, et de ses esters