Design, synthesis and bioactivity evaluation of novel arylalkene-amide derivatives as dual-target antifungal inhibitors
作者:Bin Sun、Yue Dong、Yunfei An、Min Liu、Jun Han、Liyu Zhao、Xinyong Liu
DOI:10.1016/j.ejmech.2020.112645
日期:2020.11
derivatives as dual-target (SE, CYP51) antifungal inhibitors. Subsequently, these compounds were further synthesized, and their bioactivity was evaluated. Most of compounds showed a certain degree of antifungal activity in vitro. It was worth noting that the target compounds 17a and 25a with excellent antifungal activity (0.125–4 μg/mL) can inhibit the fluconazole-resistant Candida Strain 17#, CaR
麦角固醇作为真菌细胞膜的核心成分,在维持细胞形态和通透性方面起着关键作用。角鲨烯环氧酶(SE)和14-脱甲基酶(CYP51)是麦角固醇合成的重要限速酶。在这项研究中,这些来自常见抗真菌剂结构基团的活性片段分别停靠在双重靶标(SE,CYP51)的活性位点中。选择一些具有匹配的MCSS_Score值的活性片段并将其连接起来,以构建三个不同系列的新型芳基烯烃酰胺衍生物作为双靶标(SE,CYP51)抗真菌抑制剂。随后,进一步合成这些化合物,并评估其生物活性。大多数化合物在体外均显示出一定程度的抗真菌活性。值得注意的是,具有优异抗真菌活性(0.125–4μg/ mL)的目标化合物17a和25a可以在MIC值范围内(4–8 )抑制耐氟康唑的念珠菌菌株17#,CaR,632和901。微克/毫升)。此外,进一步证实了它们的分子机理,结构稳定性和低毒性。预测了分子对接和ADMET属性可指导目标化合物的后续优化。