3-Oxo-pregna-1,14,17-trien-20-carboxylates and process

Details 3-Oxo-pregna-1,14,17-trien-20-carboxylates and process 3-Oxo-pregna-1,14,17-trien-20-carboxylates and process

1981-01-26

1982-06-08

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

435 52, C07J 900

Patent

active

043338801

ABSTRACT:
A .DELTA..sup.1,4,17 -BNC compound having the formula: ##STR1## wherein X is a substituent selected from the group consisting of OH and OCH.sub.3 ; as well as its process of production by microbiological side-chain splitting of a 17-C-side-chain steroid with a defect mutant microorganism which gives a steroid with a 17-C-.alpha.-propionic acid substituent in the absence of inhibitors inhibiting either the cleavage of the steroid ring or microorganism growth, where the defect mutant microorganisms are grown under a reduced air supply whereby an enrichment of .DELTA..sup.1,4,17 -BNC occurs.

REFERENCES:
patent: 3994933 (1976-11-01), Jin et al.
patent: 4252730 (1981-02-01), Krbechek

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