CA Patent

CA2426461C — Nitrogen-containing aromatic derivatives

Assigned to Eisai R&D Management Co Ltd · Expires 2011-04-12 · 15y expired

What this patent protects

Compounds represented by the following general formula: (see formula I) [wherein A g is an optionally substituted 5- to 14-membered heterocyclic group, etc.; X g is -O-, -S-, etc.; Y g is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered …

USPTO Abstract

Compounds represented by the following general formula: (see formula I) [wherein A g is an optionally substituted 5- to 14-membered heterocyclic group, etc.; X g is -O-, -S-, etc.; Y g is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and T g1 is a group represented by the following general formula: (see formula II) (wherein E g is a single bond or -N (R g2)-, R g1 and R g2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Z g represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.)], salts thereof or hydrates of the foregoing.

Drugs covered by this patent

Patent Metadata

Patent number
CA2426461C
Jurisdiction
CA
Classification
Expires
2011-04-12
Drug substance claim
No
Drug product claim
No
Assignee
Eisai R&D Management Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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