Patent · US Expired

2-spirocyclopropyl cephalosporin sulfone derivatives

US5264429A · kind A · utility

8Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1991
Grant dateNov 23, 1993
Priority date
Expiry dateAug 20, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D501/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Derivatives of 2-spirocyclopropyl cephalosporin sulfone of the structural formula I ##STR1## are provided which are useful as potent elastase inhibitors.

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