3,7-disubstituted-3-cephem-4-carboxylic acid compounds and...

Details 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and... 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and...

C - Chemistry, Metallurgy

07

D

260/310.5

C07D 277/38 (2006.01)

Patent

CA 1209577

ABSTRACT OF THE DISCLOSURE Compounds of the formula (III): Image (III) wherein R1 is amino, lower alkylamino, a protected amino, or a protected lower alkylamino, R4 is hydrogen or halogen, and R5 is carboxy or a protected carboxy, or salts thereof, are useful as intermediates for the preparation of 3,7-disubstituted-3-cephem-4- carboxylic acid compounds having antimicrobial activity.

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