Synthesis and antiinflammatory and analgesic activity of 5-aroyl-6-(methylthio)-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids and 1-methyl-4-(methylthio)-5-aroylpyrrole-2-acetic acids
作者:Joseph M. Muchowski、Edvige Galeazzi、Robert Greenhouse、Angel Guzman、Virginia Perez、Neil Ackerman、Silveria A. Ballaron、Joseph R. Rovito、Albert J. Tomolonis
DOI:10.1021/jm00126a010
日期:1989.6
)-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carb oxylic acids and 1-methyl-4-(methylthio)-5-aroylpyrrole-2-acetic acids were synthesized and assayed as antiinflammatory and analgesic agents. The majority of these compounds exhibit a surprisingly low level of antiinflammatory activity (rat carrageenan paw) but have considerable potency as analgesics (mouse phenylquinone writing). For example, the p-tolyl-substituted
5-芳基-6-(甲硫基)-1,2-二氢-3H-吡咯并[1,2-a]吡咯-1-碳羟基酸和1-甲基-4-(甲硫基)-5-芳酰基吡咯-2-合成乙酸,并测定其为抗炎和止痛剂。这些化合物中的大多数显示出令人惊讶的低水平的抗炎活性(大鼠角叉菜胶的爪子),但作为止痛药(小鼠苯醌的书写)具有相当大的效力。例如,对甲苯基取代的双环和单环化合物44和58的效力比阿司匹林(小鼠扭体)强301和66倍,但在消炎性筛查(鼠爪)中的效力仅比苯基丁a高3.4和1.5倍。