Cephalosporin derivatives

Details Cephalosporin derivatives Cephalosporin derivatives

C - Chemistry, Metallurgy

07

D

260/106

C07D 501/24 (2006.01)

Patent

CA 1099257

Abstract of the Disclosure A compound of the formula: Image wherein W represents a halogen and Y represents an acetoxy group or a group of formula -SR3 (where R3 is a nitrogen-containing heterocyclic group), or a salt thereof, is found to be a useful intermediate for the cephem compounds of the formula: Image which have a broad antimicrobial spectrum and, in particular, effective against gram-negative bacteria including Escherichia coli, Klebsiella pneumoniae, Proteus vulgaris, Proteus morganii, as well as gram positive ones, and thus may be used for anti- microbial agents in therapeutical purposes.

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