GB9309324D0 — Venzofuranyl-and-thiophenyl-alkanecarboxyclic acids derivatives
Assigned to Bayer AG · Expires 1993-06-16 · 33y expired
What this patent protects
The benzofuranyl- and -thiophenyl-alkane-carboxylic acid derivatives of the formula (I) <CHEM> wherein R1, R2, R3, T, V, and W are as defined in Claim 1 are prepared by cyclisation of hydroxy acetophenones and related compounds or by Wittig-reaction of benzofuranyl aldehyde…
USPTO Abstract
The benzofuranyl- and -thiophenyl-alkane-carboxylic acid derivatives of the formula (I) <CHEM> wherein R1, R2, R3, T, V, and W are as defined in Claim 1 are prepared by cyclisation of hydroxy acetophenones and related compounds or by Wittig-reaction of benzofuranyl aldehydes. The compounds can be used to prepare medicaments showing antiinflammatory activity.
Drugs covered by this patent
- Trulance (PLECANATIDE) · Salix
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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