Synthesis, stereochemistry, and analgesic activity of 4-mono- and 4,4-disubstituted 1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocines
作者:Abiodun O. Ogundaini、Robert T. Parfitt
DOI:10.1021/jm00380a005
日期:1985.2
agonists. 5a afforded analgesic properties without an antagonist component. Surprisingly 10d, bearing an 8-OH function, was without analgesic activity, contrasting with the significant hot-plate activity exhibited by 1,2,3,4,5,6-hexahydro-3,5,6-trimethyl-2,6-methano-3-benzazocine. If the assumption is made that the more active enantiomorph in members of this series is configurationally related to (-)-morphine
描述了4-烷基-,4-芳烷基-和4-烯基-1,2,3,4,5,6-六氢-2,6-甲基--3-苯并恶唑啉的合成以及一些4,4-二取代和8-羟基衍生物。4-取代基的立体化学证据来自1H和13C NMR。在4-甲基系列中,赤道差向异构体1b具有比1a高的镇痛(热板)效价,而10a,10c和10f也是很好的激动剂。图5a提供了没有拮抗剂成分的镇痛特性。出乎意料的是,具有8-OH功能的10天没有镇痛活性,而1,2,3,4,5,6-六氢-3,5,6-三甲基-2,6具有显着的热板活性-methano-3-benzazocine。如果假设该系列成员中更活跃的对映体与(-)-吗啡构型相关,