Patent · US Expired

Cephalosporin derivatives

US4677100A · kind A · utility

13Cited by
16References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 1985
Grant dateJun 30, 1987
Priority date
Expiry dateDec 26, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D209/44
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound having the formula: ##STR1## wherein R.sup.1 is a straight chain, branched chain or cyclic lower alkyl group which may be substituted by a carboxyl group, and each of R.sup.2 and R.sup.3 which may be the same or different, is a hydrogen atom, a hydroxyl group, a methoxy group or an acetoxy group, and R.sup.4 is a hydroxyl group, a methoxy group or an acetoxy group; or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.

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