An expeditious synthesis of quinolone antibacterials
A facile and rapid synthesis of ciprofloxacin under microwave irradiation is described. The product ciprofloxacin was isolated and the impurity was characterized as the product of substitution of fluorine instead of chlorine in acid 1. Similarly norfloxacin was synthesized.
The invention relates to 7-amino-1-cyclo-propyl-4-oxo-1,4-dihydro-naphthyridine (or quinoline)-3-carboxylic acids of Formula I as defined in the specifications. Also included in the invention is a process for the preparation of said compounds of Formula I and Ia. Further, the invention includes compositions containing the compounds of Formula I or Ia and the use of said compounds and compositions as antibacterial agents.
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(2008/06/13)
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