Synthesis and Anticonvulsant Activity of 5-Phenyl-[1,2,4]-triazolo[4,3-<i>a</i>]quinolines
作者:Li-Ping Guan、Qing-Hao Jin、Shou-Feng Wang、Fu-Nan Li、Zhe-Shan Quan
DOI:10.1002/ardp.200800116
日期:2008.12
A series of novel 5‐phenyl‐[1,2,4]‐triazolo[4,3‐a]quinoline derivatives was synthesized by the cyclization of 2‐chloro‐4‐phenyl‐1,2‐dihydronaphthalene with formohydrazide. The starting material 2‐chloro‐4‐phenyl‐1,2‐dihydronaphthalene was synthesized from ethyl‐3‐oxo‐3‐phenylpropanoate and substituted aniline. Their anticonvulsant activities were evaluated by the maximal electroshock (MES) test and
通过2-氯-4-苯基-1,2-二氢萘与甲酰肼的环化反应合成了一系列新型5-苯基-[1,2,4]-三唑并[4,3-a]喹啉衍生物。以 3-氧代-3-苯基丙酸乙酯和取代苯胺为原料合成了 2-氯-4-苯基-1,2-二氢萘。通过最大电休克 (MES) 试验评估它们的抗惊厥活性,通过旋转棒神经毒性试验 (Tox) 评估它们的神经毒性。最大电击试验表明,7-hexyloxy-5-phenyl-[1,2,4]-triazolo[4,3-a]quinoline 4f 是最有效的化合物,ED50 值为 6.5 mg/kg,并且保护指数(PI = ED50 / TD50)值为35.1,远高于参比药物苯妥英的PI。