Process of producing 9-hydroxy-3-oxo-4,17(20)-pregnadiene-20-car

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing a...

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435253, 435865, C12N 120

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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

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