Method of preparation of derivatives of acid benzoquinolizinecarboxylique, novel products thus obtained and their use as antibacterial

摘要

New compounds effective as antibacterial agent are disclosed. These new compounds include 8-[4-(4-aminobenzyl)-1-piperazinyl]-9-fluoro-6,7-dihydro-5-methyl-1-ox o-1H,5H-benzo[ij]quinolizine-2-carboxylic acid, hydrates and acid addition salts thereof, and possess superior activities against gram-negative and gram-positive of aerobicbacteria.