Cephalosporin derivatives, process for their preparation and...

Details Cephalosporin derivatives, process for their preparation and... Cephalosporin derivatives, process for their preparation and...

C - Chemistry, Metallurgy

07

D

167/187, 260/101

C07D 501/59 (2006.01) A61K 31/545 (2006.01) C07D 501/26 (2006.01)

Patent

CA 1306994

ABSTRACT OF THE DISCLOSURE A cephalosporin derivative having the formula: (I) Image wherein R1 is a substituted amino group, R2 is an aryl or heterocyclic group which may be substituted, R3 is a hydrogen atom, a negative charge or a residue of an ester which can form a pharmaceutically acceptable hydrolyzable in a living body and X is an alkylene group; or a pharmaceutically acceptable salt thereof, a process for its preparation and an antibacterial agent comprising thereof. The cephalosporin of this invention is useful in the pharmaceutical fields and, particularly, as antibacterial agents.

559943

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