Process for the preparation of androstane-3,17-dione derivatives

Details Process for the preparation of androstane-3,17-dione derivatives Process for the preparation of androstane-3,17-dione derivatives

1976-12-17

1978-06-27

Tanenholtz, Alvin E.

Textiles: fiber preparation

C07B 2900

Patent

active

040973344

ABSTRACT:
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.

REFERENCES:
patent: 3388042 (1968-06-01), Arima et al.
patent: 3684656 (1972-08-01), Waard
patent: 3759791 (1973-09-01), Marsheck et al.

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