Antimicrobial activity of imidazo[1,5-a]quinoxaline derivatives with pyridinium moiety
作者:Alexey A. Kalinin、Alexandra D. Voloshina、Nataliya V. Kulik、Vladimir V. Zobov、Vakhid A. Mamedov
DOI:10.1016/j.ejmech.2013.05.038
日期:2013.8
3-Phenyl(methyl)-5-alkyl-1-(pyridin-3-yl)imidazo[1,5-a]quinoxalin-4-ones (2a–f) and their N-alkyl-pyridinium salts (3a–o), including 1,n-bis3-(3-phenylimidazo[1,5-a]quinoxalin-4(5H)-on-1-yl)pyridinium}alkane dibromides (4a–d, 5, 6) have been synthesized. It has been established that the antimicrobial properties of imidazo[1,5-a]quinoxaline derivatives are connected with the presence of various alkyl
3-苯基(甲基)-5-烷基-1-(吡啶-3-基)咪唑并[1,5 - a ]喹喔啉-4-酮(2a – f)及其N-烷基吡啶鎓盐(3a – o),包括1,ñ双3-(3-苯基咪唑并[1,5-一个]喹喔啉-4(5 ħ) -酮-1-基)吡啶鎓}烷烃的二溴化物(4A - d,5,6)具有已合成。已经确定咪唑并[1,5- a]喹喔啉衍生物与在吡啶环的位置1和咪唑并[1,5- a ]喹喔啉系统的位置5中的各种烷基取代基连接。氯化物和碘化物比真菌对细菌的活性更高。化合物3d,3e,3m和3n显示出有效的抑菌活性。该化合物不仅显示出良好的抑菌活性,而且还显示出良好的抑菌活性,其MIC值可与参比药物媲美。 在小鼠中检查了更有效的(咪唑并[1,5 - a ]喹喔啉-4-上-1-基)-1-吡啶鎓卤化物的毒性。