Patent · US Expired

Cephalosporin derivatives, and antibacterial agents

US5061794A · kind A · utility

2Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 1989
Grant dateOct 29, 1991
Priority date
Expiry dateJul 10, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D285/125
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound having the formula: ##STR1## wherein R is a straight chain or branched chain lower alkyl, cyclic lower alkyl, lower alkenyl (except for 1-carboxy-1-vinyl), lower alkynyl, aralkyl, phenyl or 2-pyrrolidon-3-yl group which may be substituted, and Q is ##STR2## (wherein R.sup.1 is a hydrogen atom or an acetyl group, R.sup.2 is a hydrogen atom, a carboxyl group or a carboxymethyl group, Y is a sulfur atom or an oxygen atom, Z is a sulfur atom, an oxygen atom or an imino group which may be substituted by a lower alkyl group); or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.

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