ES315592A1 - A procedure for the preparation of new 9 beta, 10 alpha-steroids. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation 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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A procedure for the preparation of new 9beta, 10alpha-steroids, characterized in that it consists of making a compound of the general formula I **(See formula)** where R1 represents a 3-keto-delta4, 3-keto-delta4,6, 3-keto-delta1,4, 3-keto-delta1,4,6 or 3-acyloxidelta3,5 system, R2 represents a halogen atom or a hydroxy, alkoxy or acyloxy group and R3 represents a keto group or a group of the formula **(See formula)** where OR means a hydroxy, alkoxy or acyloxy group, X stands for hydrogen, a halogen atom or a hydroxy or acyloxy group, Y means hydrogen or a hydroxy, alkoxy or acyloxy group and Z means hydrogen or a lower alkyl, lower alkenyl or lower alkynyl group, according to methods already known in the normal series of steroids. (Machine-translation by Google Translate, not legally binding)
ES0315592A1965-07-201965-07-20A procedure for the preparation of new 9 beta, 10 alpha-steroids. (Machine-translation by Google Translate, not legally binding)
ExpiredES315592A1
(en)