Synthesis and antimycobacterial activity of 4-(5-substituted-1,3,4-oxadiazol-2-yl)pyridines
作者:Gabriel Navarrete-Vázquez、Gloria Marı´a Molina-Salinas、Zetel Vahi Duarte-Fajardo、Javier Vargas-Villarreal、Samuel Estrada-Soto、Francisco González-Salazar、Emanuel Hernández-Núñez、Salvador Said-Fernández
DOI:10.1016/j.bmc.2007.05.053
日期:2007.8
4-(5-Substituted-1,3,4-oxadiazol-2-yl)pyridine derivatives 1-12 were synthesized and evaluated for their in vitro antimycobacterial activity. Some compounds showed an interesting activity against Mycobacterium tuberculosis H(37)Rv and five clinical isolates (drug-sensitive and -resistant strains). Compound 4 [4-(5-pentadecyl-1,3,4-oxadiazol-2-yl)pyridine] was 10 times more active than isoniazid, 20
合成4-(5-取代的1,3,4-恶二唑-2-基)吡啶衍生物1-12,并评价其体外抗分枝杆菌活性。一些化合物对结核分枝杆菌H(37)Rv和5种临床分离株(药物敏感和耐药菌株)表现出有趣的活性。化合物4 [4-(5-十五烷基-1,3,4-恶二唑-2-基)吡啶]的活性是异烟肼的10倍,活性是链霉素的20倍,效力是乙胺丁醇的28倍。菌株CIBIN112。化合物5 [4-(5-十七烷基-1,3,4-恶二唑-2-基)吡啶]表现出与化合物4相同的行为。以上两个结构均具有与该化合物5键合的高亲脂性链恶二唑部分的-位。这个事实表明存在亲脂性,