Targeting Alzheimer's disease by investigating previously unexplored chemical space surrounding the cholinesterase inhibitor donepezil
作者:Divan G. van Greunen、Werner Cordier、Margo Nell、Chris van der Westhuyzen、Vanessa Steenkamp、Jenny-Lee Panayides、Darren L. Riley
DOI:10.1016/j.ejmech.2016.10.036
日期:2017.2
A series of twenty seven acetylcholinesterase inhibitors, as potential agents for the treatment of Alzheimer's disease, were designed and synthesised based upon previously unexplored chemical space surrounding the molecular skeleton of the drug donepezil, which is currently used for the management of mild to severe Alzheimer's disease. Two series of analogues were prepared, the first looking at the
根据之前围绕药物多奈哌齐分子骨架未开发的化学空间,设计和合成了一系列二十七个乙酰胆碱酯酶抑制剂,这些药物可作为治疗阿尔茨海默氏病的潜在药物,目前已用于治疗轻度至重度阿尔茨海默氏病。制备了两个系列的类似物,第一个看待用不同尺寸的饱和含氮环系统取代多奈哌齐中的哌啶环,第二个看待多奈哌齐中茚满酮和哌啶环之间引入不同的连接基。活性最高的类似物5,6-二甲氧基-1-氧代-2,3-二氢-1H-茚满-2-基-1-苄基哌啶-4-羧酸酯(67)的体外IC50值为0.03±0。抗乙酰胆碱酯酶为07μM,未观察到细胞毒性(IC50> 100μM,SH-SY5Y细胞系)。相比之下,多奈哌齐的IC50为0.05±0.06μM,观察到的细胞毒性IC50为15.54±1.12μM。分子建模显示活性和乙酰胆碱酯酶活性位点的计算机内结合之间有很强的相关性。