Patent · US Expired

Chondrogenesis promoters and indolin-2-one derivatives

US6716628B2 · kind B2 · utility

1Cited by
3References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 2002
Grant dateApr 6, 2004
Priority date—
Expiry dateAug 24, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/06
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A chondrogenesis promoter comprising as an active ingredient a compound represented by general formula (I) or a salt thereof: wherein R1 represents a halogen atom, a lower alkyl group, a lower alkoxy group, etc.; R2 represents a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a lower alkoxy group, an acyl group, an aryl group, a heterocyclic group, etc.; R3 represents a lower alkyl group, a cycloalkyl group, an aryl group, a heterocyclic group, etc.; R4 represents a hydrogen atom, a lower alkyl group, an aryl group, a heterocyclic group, etc.; X and Y represent —CH2—, —NH— or —O—; and n represents an integer of 0-4.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.