Synthesis and analgesic activity of novel heterocycles, (1)benzothiopyrano(3,4-b)pyrrole derivatives.
作者:Mikio HORI、Tadashi KATAOKA、Hiroshi SHIMIZU、Eiji IMAI、Noriyuki IWATA、Norihiro KAWAMURA、Masayasu KURONO、Kazumasa NAKANO、Masaru KIDO
DOI:10.1248/cpb.37.1282
日期:——
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。