9-.alpha.-Hydroxy steroids

Details 9-.alpha.-Hydroxy steroids 9-.alpha.-Hydroxy steroids

1979-10-17

1981-03-10

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07J 900

Patent

active

042553440

ABSTRACT:
9.alpha.-hydroxy-3-oxopregna-4,17(20)-diene-20-carboxylic acid and its methyl ester, and methods of microbiological production thereof, one comprising cultivating a Rhodococcus species in the presence of the corresponding 3-oxopregna-4,17(20)-diene-20-carboxylic acid or its methyl ester, and the other comprising cultivating Mycobacterium species NRRL B-8054 and a Rhodococcus species in the presence of a sterol substrate.

REFERENCES:
patent: 4062880 (1977-12-01), Antosz et al.

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