AU686115B2 — Imidazo (I,2-a) pyridine derivatives as bradykinin antagonists, pharmaceuticals and processes for their preparation
Assigned to Fujisawa Pharmaceutical Co Ltd · Expires 1998-02-05 · 28y expired
What this patent protects
A compound of the formula : <CHEM> wherein R<1> is halogen, R<2> and R<3> are each hydrogen, lower alkyl, halo(lower)alkyl or acyl, R<4> is aryl having suitable substituent(s), or a heterocyclic group optionally having suitable substituent(s…
USPTO Abstract
A compound of the formula : <CHEM> wherein R<1> is halogen, R<2> and R<3> are each hydrogen, lower alkyl, halo(lower)alkyl or acyl, R<4> is aryl having suitable substituent(s), or a heterocyclic group optionally having suitable substituent(s), Q is O or N-R<1><1>, in which R<1><1> is hydrogen or acyl, and A is lower alkylene, and pharmaceutically acceptable salts thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient.
Drugs covered by this patent
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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