Cephalosporin derivatives

Details Cephalosporin derivatives Cephalosporin derivatives

C - Chemistry, Metallurgy

07

D

260/106.1

C07D 501/36 (2006.01) A61K 31/545 (2006.01) C07D 501/56 (2006.01) C07C 69/63 (2006.01)

Patent

CA 1215971

ABSTRACT CEPHALOSPORIN DERIVATIVES Cephalosporin derivatives of the formula: Image wherein R1 is methyl or ethyl and R2 is a straight-chain or branched alkyl group of 5 to 7 carbon atoms, and their pharmaceutically acceptable salts, which are effective as orally administrable antibiotic agents against both gram-positive and gram-negative bacteria, and the production and compositions thereof, are proposed.

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