Process of preparing 3-oxo-pregna-4,17(20)-dien-21-carboxylic ac

Details Process of preparing 3-oxo-pregna-4,17(20)-dien-21-carboxylic ac Process of preparing 3-oxo-pregna-4,17(20)-dien-21-carboxylic ac

1976-08-04

1977-06-28

Shapiro, Lionel M.

Textiles: fiber preparation

C12D 1302

Patent

active

040324087

ABSTRACT:
The present invention is concerned with the preparation of 3-oxo-pregna-4,17(20)-dien-21-carboxylic acid and esters thereof by the microbial degradation of fucosterol, cholesterol, stigmasterol, campesterol or sitosterol with Mycobacterium sp. NRRL B-8054. The compounds of the present invention are useful antispasmodic agents and are also active against influenza virus.

REFERENCES:
patent: 3507749 (1970-04-01), Sih
patent: 3684657 (1972-08-01), Kraychy et al.
patent: 3759791 (1973-09-01), Marsheck et al.

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