Conformationally Constrained Analogs of<i>N</i>-Substituted Piperazinylquinolones: Synthesis and Antibacterial Activity of<i>N</i>-(2,3-Dihydro-4-hydroxyimino-4<i>H</i>-1-benzopyran-3-yl)-piperazinylquinolones
作者:Saeed Emami、Alireza Foroumadi、Nasrin Samadi、Mohammad A. Faramarzi、Saeed Rajabalian
DOI:10.1002/ardp.200800182
日期:2009.7
A series of novel quinolone agents bearing a particular bulky and conformationallyconstrained bicyclic substituent (2,3‐dihydro‐4‐hydroxyimino‐4H‐1‐benzopyran‐3‐yl‐ moiety) on the piperazine ring of 7‐piperazinyl quinolones (norfloxacin, enoxacin, ciprofloxacin, and levofloxacin) were synthesized and evaluated against a panel of Gram‐positive and Gram‐negative bacteria. Among these derivatives, ciprofloxacin