PROCESS TO PREPARE 11.BETA., 17.ALPHA.,21-TRIHYDROXY-6.ALPHA.-METHYLPREGNA-1,4-DIENE-3,20-DIONE 21-ACETATE

PROCESS TO PREPARE 11.BETA., 17.ALPHA.,21-TRIHYDROXY-6.ALPHA.-METHYLPREGNA-1,4-DIENE-3,20-DIONE 21-ACETATE

The present invention is a novel process for the transformation of 11.beta., 17.alpha. dihydroxy-6.alpha.-methylpregna-1,4-diene-3,20-dione 17-acetate (III), to 11.beta., 17.alpha.,21-trihydroxy-6.alpha.-methylpregna-1,4-diene- 3,20-dione 21-acetate (VI).

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Bibliographische Detailangaben
1. Verfasser: PEARLMAN, BRUCE ALLEN
Format: Patent
Sprache:eng ; fre
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
STEROIDS
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Beschreibung
Zusammenfassung:The present invention is a novel process for the transformation of 11.beta., 17.alpha. dihydroxy-6.alpha.-methylpregna-1,4-diene-3,20-dione 17-acetate (III), to 11.beta., 17.alpha.,21-trihydroxy-6.alpha.-methylpregna-1,4-diene- 3,20-dione 21-acetate (VI).