In order to develop analgesic compounds possessing a sulfur atom in the alicyclic ring, novel cis-fused heterocycles, [1]benzothiopyrano[3,4-b]pyrrole derivatives (II) were synthesized via a unique cyclization reaction starting from 4-(4-methoxyphenylthio)-2-butanone (1) or 6-methoxy-3,4-dihydro-2H-1-benzothiopyran-4-one (7). The analgesic effects of benzothiopyranopyrroles (16, 18) were measured by
为了开发在脂环族环中具有
硫原子的止痛药,通过从4-(4)开始的独特环化反应合成了新的顺式稠合杂环[1]苯并
硫吡喃并[3,4-b]
吡咯衍
生物(II) -
甲氧基苯硫基)-2-
丁酮(1)或6-甲氧基-3,4-二氢-2H-1-苯并
噻喃-4-酮(7)。通过扭体试验测量苯并
硫吡喃并
吡咯(16,18)的镇痛作用。
酚衍
生物18在50mg / kg的剂量下完全抑制扭体的出现,但是甲氧基衍
生物16没有止痛作用。