CA Patent

CA2458131A1 — Jnk activation inhibitor

Assigned to Takeda Pharmaceutical Co Ltd · Expires 2003-03-06 · 23y expired

What this patent protects

Inhibitors against c-Jun N-terminal kinase, containing compounds represented by the general formula (A) or salts or prodrugs thereof: (A) wherein Ara and Arb are each an optionally substituted aromatic group, or Ara and Arb togeth er with the carbon atom adjacent thereto may form…

USPTO Abstract

Inhibitors against c-Jun N-terminal kinase, containing compounds represented by the general formula (A) or salts or prodrugs thereof: (A) wherein Ara and Arb are each an optionally substituted aromatic group, or Ara and Arb togeth er with the carbon atom adjacent thereto may form a fused ring; Ba is an optionally substituted nitrogenous heterocycle; Xa and Ya are each independently (1) a free valency, (2) oxygen, (3) S(O)p (wherein p is an integer of 0 to 2), (4) NRd (wherein Rd is hydrogen or lower alkyl), or (5) a bivalent linear lower hydrocarbon group which may be substituted and/or interrupted by one to three heteroatoms; Aa is an optionally substituted fiv e- membered ring; Ra and Rb are each independently (1) hydrogen, (2) halogeno, (3) optionally substituted hydrocarbyl, (4) acyl, or (5) optionally substituted hydroxyl; and Rc is (1) hydrogen, (2) hydroxyl which may be substituted with lower alkyl, or (3) carboxyl.

Drugs covered by this patent

Patent Metadata

Patent number
CA2458131A1
Jurisdiction
CA
Classification
Expires
2003-03-06
Drug substance claim
No
Drug product claim
No
Assignee
Takeda Pharmaceutical 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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