EP0312867A1 — Billiary acid derivatives, processes for the preparation thereof and phamaceutical compositions containing them
Assigned to Giuliani SpA · Expires 1989-04-26 · 37y expired
What this patent protects
Compounds of formula I wherein: R₁ is hydrogen or hydroxy, and the methyl and hydroxy groups at 6- and 7-positions respectively can be either in α or β configuration, are useful in human therapy. Compounds I are prepared by methylation of the corresponding appropriately p…
USPTO Abstract
Compounds of formula I wherein: R₁ is hydrogen or hydroxy, and the methyl and hydroxy groups at 6- and 7-positions respectively can be either in α or β configuration, are useful in human therapy. Compounds I are prepared by methylation of the corresponding appropriately protected 7-keto-derivatives.
Drugs covered by this patent
- Ocaliva (OBETICHOLIC ACID) · Intercept Pharms Inc
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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