Synthesis of Novel 2,5-Disubstituted 1,3,4-Thiadiazoles for Their Potential Anticonvulsant Activity: Pharmacophoric Model Studies
作者:Harish Rajak、Ravitas Deshmukh、Navneet Aggarwal、Sushil Kashaw、Murli Dhar Kharya、Pradeep Mishra
DOI:10.1002/ardp.200800213
日期:2009.8
novel N1‐[5‐(4‐substituted phenyl)‐1,3,4‐thiadiazol‐2‐yl]‐N4‐(4‐substituted benzaldehyde)‐semicarbazone 1–12, N1‐[5‐(4‐substituted phenyl)‐1,3,4‐thiadiazol‐2‐yl]‐N4‐[1‐(4‐substituted phenyl)ethanone]‐semicarbazone 13‐16, and N1‐[5‐(4‐substituted phenyl)‐1,3,4‐thiadiazol‐2‐yl]‐N4‐[1‐(4‐substituted phenyl) (phenyl) methanone]‐semicarbazone 17–20 were synthesized for their anticonvulsant activity. The
一系列新型 N1-[5-(4-取代苯基)-1,3,4-噻二唑-2-基]-N4-(4-取代苯甲醛)-缩氨基脲 1-12, N1-[5-(4 -取代的苯基)-1,3,4-噻二唑-2-基]-N4-[1-(4-取代的苯基)乙酮]-缩氨基脲13-16,和N1-[5-(4-取代的苯基)- 1,3,4-噻二唑-2-基]-N4-[1-(4-取代苯基)(苯基)甲酮]-缩氨基脲17-20因其抗惊厥活性而被合成。化合物的化学结构通过元素和光谱(IR、1H-NMR、13C-NMR和MS)分析证明。使用最大电击癫痫发作 (MES) 和皮下戊四唑 (scPTZ) 模型研究了化合物的抗惊厥潜力。发现化合物19在用于抗惊厥评价的两种模型中都具有显着的抗惊厥活性。化合物 8、13、15、和16也表现出显着的抗惊厥特性。本研究的结果证实具有四个结合位点的药效团模型对于抗惊厥活性是必不可少的。还努力建立合成化合物之间的构效关系。