ES271609A1 - Procedure for the preparation of 6-alpha-methyl-16-methyleneesteroids (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of 6-alpha-methyl-16-methyleneesteroids (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Merck KGaA
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E Merck AG
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Publication of ES271609A1publicationCriticalpatent/ES271609A1/en
Procedure for the preparation of 6alpha-methyl-16-methylene-steroids, of the formula I ** (See formula) ** in which R1 means H, H; alpha-H, beta-CH or O, R 2 is H, OH or O-acyl, R3 means H or acyl and And it means H or F, characterized in that a steroid of the formula II is treated with hydrogen ** (See formula) ** in which R1, R2, R3 and Y have the meaning expressed before and X means chlorine or bromine, in the presence of a noble metal catalyst. (Machine-translation by Google Translate, not legally binding)
ES0271609A1960-10-291961-10-28Procedure for the preparation of 6-alpha-methyl-16-methyleneesteroids (Machine-translation by Google Translate, not legally binding)
ExpiredES271609A1
(en)