Design, Synthesis, Pharmacological Evaluation and Docking Studies of GluN2B-Selective NMDA Receptor Antagonists with a Benzo[7]annulen-7-amine Scaffold
作者:Sandeep Gawaskar、Louisa Temme、Julian A. Schreiber、Dirk Schepmann、Alessandro Bonifazi、Dina Robaa、Wolfgang Sippl、Nathalie Strutz-Seebohm、Guiscard Seebohm、Bernhard Wünsch
DOI:10.1002/cmdc.201700311
日期:2017.8.8
Antagonists that selectively target GluN2B-subunit-containing N-methyl-d-aspartate (NMDA) receptors are of major interest for the treatment of various neurological disorders. In this study, relationships between variously substituted benzo[7]annulen-7-amines and their GluN2B affinity were investigated. 2-Nitro-5,6,8,9-tetrahydrobenzo[7]annulen-7-one (8) represents the central building block for the
选择性靶向含GluN2B亚基的N-甲基-d-天冬氨酸(NMDA)受体的拮抗剂是治疗各种神经系统疾病的主要兴趣。在这项研究中,研究了各种取代的苯并[7]年环七胺与它们的GluN2B亲和力之间的关系。2-硝基-5,6,8,9-四氢苯并[7]环戊烯-7-(8)表示在2位上引入各种取代基和各种7-氨基部分的中心结构单元。具有2-NO 2(7 c),2-Cl(15 c)或2-的N-(3-苯基丙基)-6,7,8,9-四氢-5H-苯并[7]年戊烯-7-胺OBn组(22 c)显示出很高的GluN2B亲和力(Ki = 1.6-3.6 nm)。对接研究表明,在GluN1b和GluN2B亚基的界面上,苯并[7]环戊烯7-胺和艾芬地尔具有相同的结合姿势。22 c的较大的2-OBn部分占据了以前无法识别的子口袋,这解释了其较高的GluN2B亲和力(Ki = 3.6 nm)。在两电极电压钳实验和细胞保护试验中,高亲和