Patent · US Expired

Cephalosporin analogues

US4143038A · kind A · utility

5Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 1977
Grant dateMar 6, 1979
Priority date
Expiry dateOct 26, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D505/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Potent antibacterial cephalosporin analogues of the following formula in forms of free acids, pharmaceutically acceptable salts, or esters preparable from penicillins through azetidinone derivatives by way of a new process, and utilizable as active ingredients in bactericidal compositions for pharmaceutical and veterinary use: ##STR1## (wherein Acyl is selected from phenylacetyl, D-mandeloyl, .alpha.-phenylmalonyl, D-.alpha.-(3-methanesulfonyl-2-oxoimidazolidin-l-yl)carbonamido-.alpha.-ph enylacetyl, and 2-thienylacetyl).

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