Synthesis and biological activity of furoxan derivatives against Mycobacterium tuberculosis
作者:Guilherme Felipe dos Santos Fernandes、Paula Carolina de Souza、Leonardo Biancolino Marino、Konstantin Chegaev、Stefano Guglielmo、Loretta Lazzarato、Roberta Fruttero、Man Chin Chung、Fernando Rogério Pavan、Jean Leandro dos Santos
DOI:10.1016/j.ejmech.2016.07.039
日期:2016.11
series of hybrid furoxan derivatives (1,2,5-oxadiazole 2-N-oxide) (compounds 4a-c, 8a-c and 14a-c) were designed, synthesized and evaluated in vitro against Mycobacterium tuberculosis (MTB) H37Rv (ATCC 27294) and a clinical isolate MDR-TB strain. The furoxan derivatives have exhibited MIC90 values ranging from 1.03 to 62 μM (H37Rv) and 7.0–50.0 μM (MDR-TB). For the most active compounds (8c, 14a, 14b
结核病(TB)仍然是一个严重的健康问题,每年造成数百万人死亡。当评估新药的数量与对当前疗法的抗药性的出现没有成比例的增加时,这种情况就变得令人震惊。呋喃喃衍生物,称为一氧化氮(NO)供体,已被证明具有抗结核活性。本文中,设计,合成和评估了一系列新的杂氧呋喃衍生物(1,2,5-恶二唑2- N-氧化物)(化合物4a-c,8a-c和14a-c),并针对结核分枝杆菌(MTB)进行了体外评估。高37Rv(ATCC 27294)和临床分离的MDR-TB菌株。呋喃喃衍生物的MIC 90值介于1.03至62μM (H 37 Rv)和7.0-50.0μM(MDR-TB)之间。对于活性最高的化合物(8c,14a,14b和14c),选择性指数范围为3.78至52.74(MRC-5细胞)和1.25–34.78(J774A.1细胞)。另外,对于这些化合物,其特征在于log P o / w值在2.1至2.9之间。所有化合物均能以0