Patent · US Expired

Pyridine derivatives

US6656957B1 · kind B1 · utility

21Cited by
2References
8Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 27, 2000
Grant dateDec 2, 2003
Priority date
Expiry dateNov 27, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/0812
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound of formula I whereinX represents an optionally halo-substituted (C2-4)alkynylene group bonded via vicinal unsaturated carbon atoms.

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