[3+2] Cycloadditions of indolenine-derived azomethine ylides a rapid entry into pyrrolo [1,2-a] indolines.
作者:Colin W.G. Fishwick、Andrew D. Jones、Michael B. Mitchell、Csaba Szantay
DOI:10.1016/s0040-4039(00)80749-2
日期:1988.1
Non-stabilised azomethine ylides, produced by fluoride-induced desilylation of N-trimethylsilylmethyl indolium salts, undergo rapid cycloaddition with electron deficient dipolarophiles to yield adducts containing the pyrrolo [1,2-a] indoline ring system.
由氟化物诱导的N-三甲基甲硅烷基甲基吲哚盐的甲硅烷基化反应制得的非稳定的偶氮甲碱,与缺乏电子的双极性亲核剂快速环加成,生成含有吡咯并[1,2-a]吲哚环体系的加合物。