7-methoxycephalosporin derivatives

Details 7-methoxycephalosporin derivatives 7-methoxycephalosporin derivatives

C - Chemistry, Metallurgy

07

D

260/310.5

C07D 277/48 (2006.01) C07D 277/46 (2006.01)

Patent

CA 1060454

Aminothiazole derivatives Abstract of the disclosure A compound of the formula: Image wherein R1 stands for a halogenoethoxycarbonylamino and R2 stands for hydrogen or a halogen, is an important inter- mediate for producing a cephalosporin derivative of the formula: Image wherein R3 stands for methyl, acetoxymethyl, carbamoyloxy- methyl, an alkoxymethyl, an alkylthiomethyl, 2-carboxy-1- ethenyl, or a heterocyclic thiomethyl, R5 stands for hydrogen or methoxy and R2 has the same meaning as defined before, which is active against various pathogenic microorganisms even at a low concentration.

233097

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