Process for preparing quinolone carboxylic acid intermediates

Details Process for preparing quinolone carboxylic acid intermediates Process for preparing quinolone carboxylic acid intermediates

C - Chemistry, Metallurgy

07

C

260/283, 260/474

C07C 63/70 (2006.01) C07C 51/363 (2006.01) C07C 229/56 (2006.01) C07C 229/58 (2006.01) C07D 215/56 (2006.01) C07D 265/26 (2006.01)

Patent

CA 2003446

A PROCESS FOR PREPARING QUINOLONE CARBOXYLIC ACID INTERMEDIATES ABSTRACT Quinolonecarboxylic acid intermediates useful in the preparation of antibacterial 6-fluoro-7- substituted-quinolonecarboxylic acids are prepared from 2-(iodo, bromo or chloro)-3-fluoro-4-(fluoro or chloro)-phenyl carboxylic acid or ester.

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