Patent · US Expired

Derivative of cephamycin C

US4495348A · kind A · utility

3Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 1981
Grant dateJan 22, 1985
Priority date
Expiry dateNov 24, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D501/57
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are an N-benzenesulfonyl derivative of cephamycin C represented by the following formula: ##STR1## which can easily be separated as a solid from an aqueous solution thereof, and a process for the preparation thereof. This derivative is valuable as an intermediate leading to a cephamycin type antibiotic substance.

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