Combating fluconazole-resistant fungi with novel β-azole-phenylacetone derivatives
作者:Liyu Zhao、Nannan Sun、Linfeng Tian、Yin Sun、Yixuan Chen、Xinran Wang、Shizhen Zhao、Xin Su、Dongmei Zhao、Maosheng Cheng
DOI:10.1016/j.ejmech.2019.111689
日期:2019.12
excellent antifungal activities against five pathogenic strains with MIC values in the range of 0.03-1 μg/mL. Compounds with R1 = 3-F substituted and 15o and 15ae exhibited moderate antifungal activities against fluconazole-resistant strains 17# and CaR with MIC values in the range of 1-8 μg/mL. Compounds with R1 = H or 2-F (such as 15a, 15o, 15p) displayed moderate to good antifungal activity against
设计并合成了一系列具有新颖结构的β-唑-苯丙酮衍生物,以抵抗易感真菌感染和耐药真菌感染的增加。评估了合成化合物对五种敏感菌株和五种耐氟康唑的菌株的抗真菌活性。抗真菌活性测试表明,大多数化合物对5种病原菌株均表现出优异的抗真菌活性,其MIC值在0.03-1μg/ mL的范围内。R1 = 3-F取代且15o和15ae的化合物对MIC范围为1-8μg/ mL的耐氟康唑耐药菌株17#和CaR表现出中等的抗真菌活性。R1 = H或2-F(例如15a,15o,15p)的化合物对耐氟康唑的菌株632具有中等至良好的抗真菌活性,901和904的MIC值在0.125-4μg/ mL的范围内。值得注意的是,15o和15ae对五种敏感菌株和五种对氟康唑耐药的菌株均表现出抗真菌活性。初步的机理研究表明,化合物15ae的有效抗真菌活性源于对白色念珠菌CYP51的抑制作用。化合物15o,15z和15ae对哺乳动物A549细胞几乎无毒。