Synthesis of 1,4,7,8,9,10-hexahydro-9-methyl-6-nitropyrido[3,4-f]-quinoxaline-2,3-dione and related quinoxalinediones: characterization of .alpha.-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (and N-methyl-D-aspartate) receptor and anticonvulsant activity
作者:Christopher F. Bigge、Thomas C. Malone、Peter A. Boxer、Carrie B. Nelson、Daniel F. Ortwine、Robert Schelkun、Daniel M. Retz、Leonard J. Lescosky、Susan A. Borosky
DOI:10.1021/jm00019a003
日期:1995.9
inactive. Three compounds, 26c, 26d, and 26e, demonstrated moderate selectivity for kainate relative to AMPA receptors. Selected analogs reported herein as well as in the literature were superimposed to generate an AMPA pharmacophore model, and 6-substituted compounds from the PNQX and iPNQX series were combined and analyzed via quantitative structure-activity relationship techniques. Compounds with high
已经合成了四个相关的含角稠合哌啶环的取代的喹喔啉二酮系列化合物,作为α-氨基-3-羟基-5-甲基-4-异恶唑丙酸(AMPA)受体拮抗剂,具有潜在的神经保护剂的作用,主要用于急性治疗。中风。测试了这些化合物对AMPA,红藻氨酸和对苯丙氨酸不敏感的甘氨酸受体位点的亲和力。在AMPA结合中,最有效的化合物是27a(PNQX,IC50 = 63 nM),亲和力可与文献标准1(NBQX,IC50 = 52 nM)相比。来自9-氮杂系列的其他6-硝基类似物对AMPA受体的亲和力相当,例如6-硝基-8-氮杂衍生物(如13a)(iPNQX,IC50 = 290 nM)。27a的受体结合图谱不同于1的受体图谱,因为27a在N-甲基-D-天冬氨酸(NMDA)受体的甘氨酸位点具有显着的亲和力,而1基本上是无活性的。相对于AMPA受体,三种化合物26c,26d和26e对海藻酸盐具有中等选择性。叠加本文和文献中报道