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Title:
PRODUCTION OF 17 BETAA HYDROXYY33OXOO17 ALPHAA PREGNN44ENN211CARBOXYLIC ACID GAMMAALALTONE
Document Type and Number:
Japanese Patent JPS535150
Kind Code:
A
Abstract:
A new process utilizing certain novel intermediates for the preparation of 17 beta -hydroxy-3-oxo-17 alpha -pregn-4-ene-21-carboxylic acid gamma -lactone is described herein. The procedure utilizes readily available and inexpensive sarsasaponin as starting material.

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Inventors:
HIYUU RATEIMAA DORAIDEN JIYUNI
CHIYAARUZU SHIYAHIIN MAAKOSU
Application Number:
JP7846177A
Publication Date:
January 18, 1978
Filing Date:
June 30, 1977
Export Citation:
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Assignee:
SEARLE & CO
International Classes:
C07J1/00; C07J13/00; C07J21/00; C07J41/00; C07J71/00; (IPC1-7): C07J1/00; C07J21/00



 
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