Synthesis, docking, and biological evaluation of novel 1-benzyl-4-(4-(R)-5-sulfonylidene-4,5-dihydro-1H-1,2,4-triazol-3-yl)pyrrolidin-2-ones as potential nootropic agents
作者:Anton P. Semenets、Marharyta M. Suleiman、Andrii I. Fedosov、Sergiy Yu Shtrygol、Ihnat O. Havrylov、Mariia V. Mishchenko、Sergiy M. Kovalenko、Victoriya A. Georgiyants、Lina O. Perekhoda
DOI:10.1016/j.ejmech.2022.114823
日期:2022.12
agents, new 1-benzyl-4- (4- (R)-5-sulfonylidene-4,5-dihydro-1H-1,2,4-triazol-3-yl) pyrrolidine-2-ones was synthesized by reacting benzylamine with itaconic acid to 1-benzyl-5-oxopyrrolidine-3-carboxylic acid, which was then subjected to hydrazinolysis followed by the addition of substituted isothiacyanate followed by cyclization of intermediate thiosemicarbazides. The structure and purity of the obtained
为了寻找创新的促智剂,新的 1-benzyl-4- (4- (R)-5-sulfonylidene-4,5-dihydro-1 H -1,2,4-triazol-3-yl) pyrrolidine-通过将苄胺与衣康酸反应生成 1-苄基-5-氧代吡咯烷-3-羧酸,合成 2-ones,然后将其进行肼解,然后加入取代的异硫氰酸酯,然后环化中间体氨基硫脲。通过元素分析、 1 H NMR光谱、13 C NMR光谱和LC/MS确证了所得物质的结构和纯度。使用 Autodock 4.2 软件对合成的物质进行了对接研究。LD 50的近似值(计算机测定)约为 870–1000 mg/kg。所有合成物质都通过被动回避试验对东莨菪碱失忆症模型进行促智活性测试,剂量约为估计 LD 50的 1/10 。根据对接和药理实验的结果,确定了最有希望的物质7a,以及7e、7f。分子对接结果(命中化合物7a)表明对接研究所得值与实验数据呈正相关。