Synthesis and Pharmacological Evaluation of Enantiomerically Pure GluN2B Selective NMDA Receptor Antagonists
作者:Frederik Börgel、Marina Szermerski、Julian A. Schreiber、Louisa Temme、Nathalie Strutz‐Seebohm、Kirstin Lehmkuhl、Dirk Schepmann、Simon M. Ametamey、Guiscard Seebohm、Thomas J. Schmidt、Bernhard Wünsch
DOI:10.1002/cmdc.201800214
日期:2018.8.10
potent GluN2B‐selective N‐methyl‐d‐aspartate (NMDA) receptor antagonists with a 3‐benzazepine scaffold, 7‐benzyloxy‐3‐(4‐phenylbutyl)‐2,3,4,5‐tetrahydro‐1H‐3‐benzazepin‐1‐ols (S)‐2 and (R)‐2 were separated by chiral HPLC. Hydrogenolysis and subsequent methylation of the enantiomerically pure benzyl ethers of (S)‐2 and (R)‐2 provided the enantiomeric phenols (S)‐3 and (R)‐3 [3‐(4‐phenylbutyl)‐2,3,4,5
要确定的强效GluN2B选择性的eutomers Ñ甲基d天冬氨酸(NMDA)与3-苯并氮杂支架受体拮抗剂,7-苄氧基-3-(4-苯基丁基)-2,3,4,5-四氢通过手性HPLC分离了1 H -3-苯并ze庚因-1-醇(S)-2和(R)-2。(S)-2和(R)-2对映体纯苄基醚的氢解和随后的甲基化反应提供了对映体酚(S)-3和(R)-3 [3-(4-苯基丁基)-2,3, 4,5-四氢-1H -3-苯并ze庚因-1,7-二醇]和甲基醚(S)-4和(R)-4。获得的所有对映体均具有较高的对映体纯度(≥99.7% ee)。绝对构型通过CD光谱法确定。在受体结合研究和两电极电压钳实验中,R-配置的对映异构体被证明是自发体。该化合物系列中最有前途的配体是R构型的苯酚(R)-3,显示出高的GluN2B亲和力(K i = 30 n m),对离子通量的高抑制作用(IC 50 = 61 n m)和高的细胞保护活性(IC