GB2131811A — Microbial 1,2-dehydrogenation of steroids
Assigned to Pharmacia and Upjohn Co · Expires 1984-06-27 · 42y expired
What this patent protects
A process for preparing a 1,2- dehydro-3-keto-steroid, comprises exposing a 1,2-saturated-3-keto- steroid to Arthrobacter simplex or Bacterium cyclooxydans, in the presence of an exogenous electron carrier and a water-immiscible solvent comprising an aromatic hydrocarbon. The ele…
USPTO Abstract
A process for preparing a 1,2- dehydro-3-keto-steroid, comprises exposing a 1,2-saturated-3-keto- steroid to Arthrobacter simplex or Bacterium cyclooxydans, in the presence of an exogenous electron carrier and a water-immiscible solvent comprising an aromatic hydrocarbon. The electron carrier may be menadione, menadione bisulphite, 1,4-naphthoquinone, a vitamin K-type compound, or phenazine methosulphate.
Drugs covered by this patent
- Agamree (VAMOROLONE) · Catalyst Pharms
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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