发明授权
US4097334A Process for the preparation of androstane-3,17-dione derivatives 失效
雄甾烷-3,17-二酮衍生物的制备方法

Process for the preparation of androstane-3,17-dione derivatives
摘要:
A process for the preparation of androstane-3,17-dione compounds of the formula ##STR1## wherein X is 1,2-methylene or 1- or 2-methyl, comprises fermenting a sterol of the formula ##STR2## wherein X is as above and R.sub.1 is the hydrocarbon residue of 8-10 carbon atoms, of a sterol, with a microorganism culture capable of effecting the side chain degradation of sterols.
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