Synthesis and Anti-inflammatory Activity Evaluation of Novel 7-Alkoxy-1-amino-4,5-dihydro[1,2,4]triazole[4,3-a]quinolines
作者:Xian-Yu Sun、Cheng-Xi Wei、Kyu-Yun Chai、Hu-Ri Piao、Zhe-Shan Quan
DOI:10.1002/ardp.200700182
日期:2008.5
5‐dihydro[1,2,4]triazolo[4,3‐a]quinolin‐1‐amine) and 5i (7‐(p‐chlorobenzyloxy)‐4,5‐dihydro[1,2,4]triazolo[4,3‐a]quinolin‐1‐amine) showed the highest anti‐inflammatory activity (52% and 58% inhibition, respectively, at 2 h pre‐administration) which were comparable to or even slightly more potent than the reference drug ibuprofen (55%). Furthermore, the structure‐activity relationship of these 1,2,4‐triazole
Anticonvulsant and toxicity evaluation of some 7-alkoxy-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinoline-1(2H)-ones
作者:Hong-Guang Jin、Xian-Yu Sun、Kyu-Yun Chai、Hu-Ri Piao、Zhe-Shan Quan
DOI:10.1016/j.bmc.2006.06.044
日期:2006.10
To further investigate anticonvulsantactivity of quinoline derivatives, a series of 7-alkoxy-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinoline-1(2H)-one derivatives was synthesized starting from 7-hydroxyl-3,4-dihydro-2(1H)-quinoline. In initial (phase I) screening and quantitative (phase II) evaluation, compound 7-benzyloxyl-4,5-dihydro-[1,2,4]thiazolo[4,3-a]quinoline-1(2H)-one (3f) was among the most
Design, synthesis of 8-alkoxy-5,6-dihydro-[1,2,4]triazino[4,3-a]quinolin-1-ones with anticonvulsant activity
作者:Xian-Yu Sun、Lei Zhang、Cheng-Xi Wei、Hu-Ri Piao、Zhe-Shan Quan
DOI:10.1016/j.ejmech.2008.09.003
日期:2009.3
A new series of 8-alkoxy-5,6-dihydro-[1,2,4]triazino[4,3-a]quinolin-1-one derivatives were synthesized. Their anticonvulsantactivities were evaluated by the maximal electroshock (MES) test, and their neurotoxicities were evaluated by the rotarod neurotoxicity test. The results showed that 8-heptyloxy-5,6-dihydro-[1,2,4]triazino[4,3-a]quinolin-1-one 5t was the most potent with median effective dose
合成了一系列新的8-烷氧基-5,6-二氢-[1,2,4]三嗪[4,3 - a ]喹啉-1-酮衍生物。通过最大电击(MES)测试评估其抗惊厥活性,并通过旋转脚架神经毒性测试评估其神经毒性。结果显示8-庚氧基-5,6-二氢-[1,2,4]三嗪[4,3 - a ]喹啉-1-酮5t最有效,中位有效剂量(ED 50)值为11.4。 mg / kg,中毒剂量(TD 50)为114.1 mg / kg,提供保护指数(PI = TD 50 / ED 50)值10.0,远大于原型药物卡马西平的PI(PI = 6.4)。为了解释抗惊厥活性的可能机制,在化学诱导的癫痫发作中对化合物5t进行了测试。