AU2001295986A1 — Nitrogenous aromatic ring compounds
Assigned to Eisai R&D Management Co Ltd · Expires 2002-07-04 · 24y expired
What this patent protects
The present invention concerns a process for preparing a compound represented by the following general formula (a- or a pharmacologically acceptable salt or hydrate thereof, which comprises reacting a compound repr with a compound represented by the following general form…
USPTO Abstract
The present invention concerns a process for preparing a compound represented by the following general formula (a- or a pharmacologically acceptable salt or hydrate thereof, which comprises reacting a compound repr with a compound represented by the following general formula (a-4) : wherein the residues R 1 , R 2 , R sa1 - R sa3 , R 300 , R 301 and Z are as defined in the claims.
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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