EP2177520A1 — 1,5-Di(aryl or heteroaryl)-3-halo-2(1H)-pyridones as intermediates for the preparation of AMPA receptor inhibitors
Assigned to Eisai R&D Management Co Ltd · Expires 2010-04-21 · 16y expired
What this patent protects
The present invention provides compounds represented by the formula: or a salt thereof, wherein, each A 1a and A 3a are the same as or different from each other and each indicates an optionally substituted C 6-14 aromatic hydrocarbocyclic group or 5 to 14-membered aromat…
USPTO Abstract
The present invention provides compounds represented by the formula: or a salt thereof, wherein, each A 1a and A 3a are the same as or different from each other and each indicates an optionally substituted C 6-14 aromatic hydrocarbocyclic group or 5 to 14-membered aromatic heterocyclic group; and W represents a halogen atom. The compounds are intermediates for the preparation of inhibitors of the AMPA receptor.
Drugs covered by this patent
- Fycompa (PERAMPANEL) · Catalyst Pharms
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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