Novel cephalosporin compounds and antibacterial agents
申请人:MEIJI SEIKA KAISHA LTD.
公开号:EP0354576A2
公开(公告)日:1990-02-14
Novel cephalosporin compounds represented by formula (I):
wherein R¹ represents a lower alkyl group which may optionally have a substituent; each of R² and R³ independently represents a hydrogen atom or hydroxy group; and A represents a hydrogen atom or a residue of nucleophilic compound, and pharmacologically acceptable salts or esters thereof exhibit a potent antibacterial activity against gram positive and gram negative bacteria.
Novel cephalosporin compounds represented by formula (I): ##STR1## wherein R.sup.1 represents a lower alkyl group which may optionally have a substituent; each of R.sup.2 and R.sup.3 independently represents a hydrogen atom or hydroxy group; and A represents a hydrogen atom or a residue of nucleophilic compound, and pharmacologically acceptable salts or esters thereof exhibit a potent antibacterial activity against gram positive and gram negative bacteria.