Analogs of 3-Hydroxy-1<i>H-</i>1-benzazepine-2,5-dione: Structure−Activity Relationship at <i>N</i>-Methyl-<scp>d</scp>-aspartate Receptor Glycine Sites
作者:Anthony P. Guzikowski、Sui Xiong Cai、Stephen A. Espitia、Jon E. Hawkinson、James E. Huettner、Daniel F. Nogales、Minhtam Tran、Richard M. Woodward、Eckard Weber、John F. W. Keana
DOI:10.1021/jm960479z
日期:1996.1.1
8-bromo (7) analogs being the most active. For HBAD 6, the IC50 in [3H]-DCKA binding assays was 0.013 microM and the Kb values for antagonism of NMDA receptors in oocytes (NR1a/2C) and cortical neurons were 0.026 and 0.048 microM, respectively. HBADs also antagonized AMPA-preferring non-NMDA receptors expressed in oocytes but at a lower potency than corresponding inhibition of NMDA receptors. HBADs demonstrating
合成了一系列3-羟基-1H-1-苯并enza庚因-2,5-二酮(HBAD)的芳香族和氮杂环戊烷环修饰的类似物,并在NMDA受体甘氨酸位点对其进行了评估。芳香环修饰的HBAD通常是通过与取代的2-甲氧基萘-1,4-二酮进行Schmidt反应,然后进行去甲基化来制备的。苯并ze庚因3-甲基醚的亲电芳族取代得到7-取代的类似物。多取代的2-甲氧基萘-1,4-二酮的制备通过Diels-Alder方法进行,利用取代的丁二烯与2-甲氧基苯醌进行随后的芳构化。还研究了结构修饰,例如消除芳环,除去3-羟基和羟基从C-3到C-4的转移。使用[3H] MK801结合试验对NMDA拮抗作用进行了初步评估。通过[3H] -5,7-二氯尿嘧啶酸(DCKA)甘氨酸位点结合测定法进一步评估了表现出通过抑制[3H] MK801结合而显示出NMDA拮抗剂活性的HBAD。使用非洲爪蟾卵母细胞和培养的大鼠皮质神经元的电生理测定