Synthesis and biological properties of some 3-((N-subtstituted-amino)pyridinium-4-thiomethyl)-7-((2-amino-thiazol-4-yl)-2-(Z)-(methoxyimino)acetamido)ceph-3-em-4-carboxylates.
7.beta.- 2-(aminothiazolyl and thiadiazolyl)-2-oxyiminoacetamido!cephalosporin derivatives having a 3- N-(optionally substituted) aminopyridiniumthiomethyl! substituent have antibacterial activity and are of use in antibacterial therapy. Processes for the preparation of such cephalosporins plus intermediates for use in the preparation thereof, including N-(optionally substituted)amino-thiopyridones, are also described.
Cephalosporin compounds, process for their preparation, pharmaceutical compositions and intermediates
申请人:Beecham Group p.l.c.
公开号:EP0416810A2
公开(公告)日:1991-03-13
7 α-formamido cephalosporin derivatives having a 3[N-(optionally substituted)aminothiopyridinium thiomethyl] substituent have anti-bacterial activity and are of use in anti-bacterial therapy. Processes for the preparation thereof and intermediates for use in these processes are also disclosed.