EP1777218A1 — Process for the preparation of 4-phenoxy quinoline derivatives
Assigned to Eisai R&D Management Co Ltd · Expires 2007-04-25 · 19y expired
What this patent protects
The present invention concerns a process for preparing a compound represented by the following general formula (a-11): or a pharmacologically acceptable salt or hydrate thereof, which comprises reacting a compound represented by the following general formula (a-12): w…
USPTO Abstract
The present invention concerns a process for preparing a compound represented by the following general formula (a-11): or a pharmacologically acceptable salt or hydrate thereof, which comprises reacting a compound represented by the following general formula (a-12): 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.
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.