Synthesis and Antimicrobial Activities of Oximes Derived from O-Benzylhydroxylamine as FabH Inhibitors
作者:Yin Luo、Li-Rong Zhang、Yang Hu、Shuai Zhang、Jie Fu、Xiao-Ming Wang、Hai-Liang Zhu
DOI:10.1002/cmdc.201200225
日期:2012.9
with prominent antibacterial activities were tested for their E. coli FabH inhibitory activities. 3‐((2,4‐Dichlorobenzyloxyimino)methyl)benzaldehyde O‐2,4‐dichlorobenzyl oxime (44) showed the best antibacterial activity, with minimum inhibitory concentrations of 3.13–6.25 μg mL−1 against the tested bacterial strains, exhibiting the best E. coli FabH inhibitory activity, with an IC50 value of 1.7 mM
通过使O-苄基羟胺与伯苯甲醛或水杨醛反应可合成43种肟衍生物。这些产品被认为是β-酮酰基-(酰基载体蛋白)合酶III(FabH)的潜在抑制剂。在这43种化合物中,本文首次报道了38种。分析了这些化合物对大肠杆菌,铜绿假单胞菌,荧光假单胞菌,枯草芽孢杆菌,金黄色葡萄球菌和粪肠球菌的抗菌活性。测试了具有显着抗菌活性的化合物的大肠杆菌FabH抑制活性。3-(((2,4-二氯苄氧基亚氨基)甲基)苯甲醛O - 2,4-二氯苄基肟(44)表现出最佳的抗菌活性,对被测细菌菌株的最低抑菌浓度为3.13–6.25μgmL -1。最好大肠杆菌的FabH抑制活性,具有的IC 50为1.7m值中号。进行对接模拟以将化合物44定位在大肠杆菌FabH活性位点中,以确定最可能的结合构象。