Antitubercular and antibacterial activities of isoxazolines derived from natural products: Isoxazolines as inhibitors of <i>Mycobacterium tuberculosis</i> InhA
作者:Anuchit Phanumartwiwath、Chatchai Kesornpun、Sanya Sureram、Poonpilas Hongmanee、Pornpan Pungpo、Pharit Kamsri、Auradee Punkvang、Chatchakorn Eurtivong、Prasat Kittakoop、Somsak Ruchirawat
DOI:10.1177/17475198211047801
日期:2021.11
58 µM, respectively. Furthermore, derivative 3f exhibits antibacterial activity against Bacillus cereus (minimum inhibitory concentration value of 29.16 µM). Isoxazoline derivatives of 1’-S-acetoxychavicol acetate demonstrate improvements in cytotoxicity, and derivative 3f of sclareol demonstrates improved antitubercular and antibacterial activities. Isoxazolines derived from natural products exhibit
天然产物丁香酚、1'- S-乙酰氧基茶酚乙酸酯和香紫苏醇的异恶唑啉衍生物在水性缓冲系统中通过1,3-偶极环加成反应制备。评价这些化合物的抗结核和抗菌活性。化合物2,图2a和图3F显示强抗结核活性,26.68,17.89分别和14.58微米,最小抑制浓度值。此外,衍生物3f对蜡样芽孢杆菌具有抗菌活性(最低抑菌浓度值为 29.16 µM)。1'- S的异恶唑啉衍生物-acetoxychavicol acetate 表现出细胞毒性的改善,并且香紫苏醇的衍生物3f表现出改善的抗结核和抗菌活性。源自天然产物的异恶唑啉表现出结核分枝杆菌烯酰-酰基载体蛋白还原酶 (InhA) 抑制活性,分子模型预测它们与 NADH 和 InhA 结合位点的关键残基形成氢键和疏水相互作用。