New<i>N,N</i>-dimethylcarbamate inhibitors of acetylcholinesterase: design synthesis and biological evaluation
作者:Daniela De Vita、Fabiana Pandolfi、Luigi Ornano、Marta Feroci、Isabella Chiarotto、Ilaria Sileno、Federico Pepi、Roberta Costi、Roberto Di Santo、Luigi Scipione
DOI:10.1080/14756366.2016.1220377
日期:2016.11.4
A series of N,N-dimethylcarbamates containing a N,N-dibenzylamino moiety was synthesized and tested to evaluate their ability to inhibit Acetylcholinesterase (AChE). The most active compounds 4 and 8, showed 85 and 69% of inhibition at 50 μM, respectively. Furthermore, some basic SAR rules were outlined: an alkyl linker of six methylene units is the best spacer between the carbamoyl and dibenzylamino
合成并测试了一系列含有N,N-二苄氨基部分的N,N-二甲基氨基甲酸酯,以评估其抑制乙酰胆碱酯酶(AChE)的能力。活性最高的化合物4和8在50μM时分别显示出85%和69%的抑制率。此外,概述了一些基本的SAR规则:六个亚甲基单元的烷基连接基是氨基甲酰基和二苄基氨基之间的最佳间隔基。二苄基氨基的芳族环上的吸电子取代基降低了抑制能力。化合物4产生缓慢的AChE抑制作用,但这不是由于酶的氨基甲酰化作用所致,正如化合物4对AChE的时间依赖性抑制试验以及化合物4抑制的胰蛋白酶消化的AChE的MALDI-TOF MS分析所证明的那样。相反,化合物4可以作为AChE的缓慢结合抑制剂,