Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing a...
Patent
1981-05-11
1984-01-31
Smith, William F.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing a...
435253, 435865, C12N 120
Patent
active
044290411
ABSTRACT:
The subject invention concerns a novel one-stage fermentation process for making the useful steroid intermediate 9-hydroxy-3-oxo-4,17(20)-pregnadiene-20-carboxylic acid (I). This process is significantly superior to the best prior art process known for making (I).
REFERENCES:
patent: 4029549 (1977-06-01), Antosz et al.
patent: 4035236 (1977-07-01), Wovcha
Garcia Alfred B.
Knight John C.
Wovcha Merle G.
Saliwanchik Roman
Smith William F.
The Upjohn Company
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