Synthesis of novel imidazo[1,2-<i>a</i>]pyrrolo[2,1-<i>c</i>][1,4]benzodiazepines and pyrimido[1,2-<i>a</i>]pyrrolo[2,1-<i>c</i>][1,4]benzodiazepines
作者:Jean-Simon Duceppe、Jean Gauthier
DOI:10.1002/jhet.5570220214
日期:1985.3
1-amino-5H-pyrrolo[2,1-c][1,4]benzodiazepines have been used as starting material to prepare a number of derivatives of 9H-imidazo[1,2-a]pyrrolo[2,1-c][1,4]benzodiazepines and 10H-pyrimido[1,2-a]pyrrolo[2,1-c][1,4]benzodiazepines. The imidazole nucleus was built by reaction of amidines with ethyl bromopyruvate or aminoacetaldehyde dimethylacetal. Several derivatives of imidazo[1,2-a]pyrrolo[2,1-c][1,4]benzodiazepine
几种1 1-氨基-5 H-吡咯并[2,1- c ] [1,4]苯并二氮杂已用作起始原料,以制备9 H-咪唑并[ 1,2- a ]吡咯并[2]的许多衍生物。,1- c ] [1,4]苯并二氮杂和10 H-嘧啶基[1,2- a ]吡咯并[2,1- c ] [1,4]苯并二氮杂。咪唑核是通过am与溴丙酮酸乙酯或氨基乙醛二甲基缩醛反应而构建的。咪唑并[1,2- a ]吡咯并[2,1- c ] [1,4]苯并二氮杂卓的几种衍生物已经通过吡咯环的甲酰化反应,然后形成硫代酰胺来制备。11-氨基-5 H-吡咯并[2,1-的缩合c ] [1,4]苯并二氮杂卓与乙氧基亚甲基丙二酸二乙酯提供中间体二酯,将其转化为相应的10 H-嘧啶基[1,2- a ]吡咯并[2,1- c ]-苯并二氮杂卓。