New and mild method for the synthesis of alprazolam and diazepam and computational study of their binding mode to GABAA receptor
作者:Ahmad R. Massah、Sajjad Gharaghani、Hamid Ardeshiri Lordejani、Nahad Asakere
DOI:10.1007/s00044-016-1585-z
日期:2016.8
A new method for the synthesis of 8-chloro-1-methyl-6-phenyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepine (alprazolam) and 7-chloro-1-methyl-5-phenyl-1H-benzo[e][1,4]diazepin-2(3H)-one (diazepam) from 2-amino-5-chloro benzophenone was described under mild conditions. Most of the synthetic steps were carried out under solvent-free conditions, and the products were obtained in high yield and purity
合成8-氯-1-甲基-6-苯基-4H-苯并[f] [1,2,4]三唑[4,3-a] [1,4]二氮杂(阿普唑仑)的新方法和描述了在温和条件下由2-氨基-5-氯二苯甲酮生成的7-氯-1-甲基-5-苯基-1H-苯并[e] [1,4]二氮杂-2-2(3H)-一(地西p)。大部分合成步骤均在无溶剂条件下进行,并以高收率和高纯度获得了产物。通过与真实样品的物理性质比较以及IR,1 H NMR和13 C NMR来表征产物。三维(3D)GABA的模型甲使用的X射线晶体结构,构建homopentameric线虫谷氨酸-门控氯离子通道(GluCl)基于序列比较和同源性建模方法,以3.3Å(3RHW)为模板。同源性建模和MD模拟研究预测了水环境中受体的3D结构。所得的受体构象用于阿普唑仑和地西epa的对接。对接研究表明药物与受体有许多重要的相互作用。此外,将GABA与药物的复合物用于MD模拟,以实现复合物的构象变化。