Patent · US Expired

Cephalosporin compounds and antibacterial agents

US5028601A · kind A · utility

0Cited by
3References
3Claims
0Family size

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Inventors

Key dates

Filing dateApr 21, 1988
Grant dateJul 2, 1991
Priority date
Expiry dateApr 21, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D501/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Cephalosporin compounds of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and are a hydrogen atom or a lower alkyl group of 1-5 carbon atoms and A is a hydrogen atom or a nucleophilic compound residue or pharmacologically acceptable salts thereof have excellent antibacterial activity against Gram positive and Gram negative microorganisms.

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