ES315590A1 - A procedure for the elaboration of new 9 beta, 10 alpha-steroids. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the elaboration of new 9 beta, 10 alpha-steroids. (Machine-translation by Google Translate, not legally binding)
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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES315590A1publicationCriticalpatent/ES315590A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
A procedure for the elaboration of new 9beta, 10alpha-steroids, which consists of making a 4-alkyl- (or aralkil) -9beta, 10alpha-steroid of the general formula **(See formula)** where n is 1 or 2 and R1, if n = 1, represents a 3-keto- δ 4,3-keto- δ 4,6,3-keto- δ 1,4,6,3-alkoxy - δ 3,5, 3-acyloxy- δ 3,5 or 3-acyloxy- δ 2,4,6 or, if n = 2, represents a 3-keto- δ 5 system; R2 represents a lower alkyl group or an aralkyl group; and R3 represents a group (see formula), in the latter of which R4 means a hydrogen atom or an alkyl or acyl group and R5 means either hydrogen or a lower alkyl group, according to the known methods for the production of the corresponding normal 4-alkyl- (or aralkyl) -steroids. (Machine-translation by Google Translate, not legally binding)
ES0315590A1964-10-281965-07-20A procedure for the elaboration of new 9 beta, 10 alpha-steroids. (Machine-translation by Google Translate, not legally binding)
ExpiredES315590A1
(en)
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