Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing a...
Patent
1979-04-23
1980-09-09
Tanenholtz, Alvin E.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing a...
435 55, C12P 3318
Patent
active
042218683
ABSTRACT:
Valuable steroid intermediates, 9.alpha.-hydroxyandrost-4-ene-17.beta.-ol-3-one (9.alpha.-OH testosterone), 9.alpha.-hydroxy-3-ketobisnorchol-4-en-22-ol (9.alpha.-OH BN alcohol) and 9.alpha.-hydroxy-3-ketobisnorchol-4-en-22-oic methyl ester (9.alpha.-OH BN acid methyl ester), prepared by microbiological conversion of steroids having 17-alkyl side chains of 8 to 10 carbons.
REFERENCES:
patent: 4029549 (1977-06-01), Antosz et al.
patent: 4035236 (1977-07-01), Wovcha
patent: 4057469 (1977-11-01), Nishikawa et al.
Antosz Frederick J.
Beaton John M.
Garcia Alfred B.
Kominek Leo A.
Wovcha Merle G.
Saliwanchik Roman
Tanenholtz Alvin E.
The Upjohn Company
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