EP0135782A2 — New derivatives of biliary acids, process for the production thereof and corresponding pharmaceutical compositions
Assigned to Giuliani SpA · Expires 1985-04-03 · 41y expired
What this patent protects
New derivatives of chenodeoxycholic, ursodeoxycholic, cholic and ursocholic acids, bearing a methyl group in the side chain, in alfa position to the carboxylic group, the corresponding nor- and di-nor- derivatives, and the corresponding conjugates with taurine and glycine, are de…
USPTO Abstract
New derivatives of chenodeoxycholic, ursodeoxycholic, cholic and ursocholic acids, bearing a methyl group in the side chain, in alfa position to the carboxylic group, the corresponding nor- and di-nor- derivatives, and the corresponding conjugates with taurine and glycine, are described. The compounds of the invention are prepared by methylation of the esters with methyl iodide in the presence of lithium-dialkylamides.
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.