Highly selective .kappa. opioid analgesics. Synthesis and structure-activity relationships of novel N-[(2-aminocyclohexyl)aryl]acetamide and N-[(2-aminocyclohexyl)aryloxy]acetamide derivatives
作者:Colin R. Clark、Paul R. Halfpenny、Raymond G. Hill、David C. Horwell、John Hughes、Terry C. Jarvis、David C. Rees、David Schofield
DOI:10.1021/jm00399a025
日期:1988.4
structure-activity relationships (SAR) of mu and kappa opioid binding affinities, and analgesic properties of a series of novel highly selective kappa opioid N-[(2-aminocyclohexyl)aryl]acetamide and N-[(2-aminocyclohexyl)aryloxy] acetamide derivatives. Ten compounds, 14, 15, 31-37, and 39 (Tables I and II), show a marked kappa selectivity of greater than 100:1 over mu binding, with high affinity for the kappa
本文描述了mu和kappa阿片样物质的亲和性的合成,构效关系(SAR)以及一系列新型高选择性kappa阿片样物质N-[(2-氨基环己基)芳基]乙酰胺和N-[(2 -氨基环己基)芳氧基]乙酰胺衍生物。十种化合物(14、15、31-37和39)(表I和II)在mu结合上表现出明显的kappa选择性大于100:1,对kappa阿片受体具有高亲和力(约10(-8) -10(-9)M)。化合物39(S,S-反式)-N-甲基-N- [2-(1-吡咯烷基)环己基] -4-苯并[b]呋喃乙酰胺氢溴酸盐具有最高的mu / k选择性,即780:1(kappa Ki = 4.2 nM),迄今报道。这些化合物中的四种14、15和它们的S,S-trans对映体37和39分别通过口服给药产生有效的镇痛作用,通过鼠爪压力测试(RPP)进行分析(MPE50分别为24、26、8.3和12 mg / kg)。R,R-反式异构