Patent · US Expired

Carbapenem derivatives of quarternary salt type

US6825187B2 · kind B2 · utility

4Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 25, 2002
Grant dateNov 30, 2004
Priority date
Expiry dateJul 25, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An objective of the present invention is to provide carbapenem derivatives which have potent antibiotic activity against MRSA, PRSP, Influenzavirus, and &bgr;-lactamase-producing bacteria and are stable against DHP-1. The compounds according to the present invention are compounds represented by formula (I) or pharmaceutically acceptable salts thereof: wherein R1 represents H or methyl; R2 and R3 each independently represent H, halogen, lower alkyl or the like; R4 represents optionally substituted lower alkylthio or the like; and R5 represents optionally substituted lower alkyl or the like.

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