Patent · US Expired

N-type calcium channel antagonists for the treatment of pain

US6841680B2 · kind B2 · utility

3Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2001
Grant dateJan 11, 2005
Priority date
Expiry dateOct 31, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D215/42
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds having selective action at neuronal N-type calcium channels useful for the treatment of pain in accord with the following structural diagram, wherein R1, R2 and R3 are a variety of groups as defined in the specification.

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