A new synthetic entry to the indolo[2,3-a]quinolizidine system. Electrophilic cyclizations on the indole ring from 2-(2-piperidyl)indoles
作者:Mercedes Amat、Sabine Hadida、Swargam Sathyanarayana、Joan Bosch
DOI:10.1016/0040-4039(96)00472-8
日期:1996.4
system, involving the Pd(0)-catalyzed cross-coupling of a 2-indolylzinc derivative with a 2-halopyridine, stereoselective hydrogenation of the pyridine ring, and electrophilic cyclization upon the indole 3-position from the resulting 2-(2-piperidyl)indole, is reported.
吲哚[2,3-a]喹诺唑烷系统的新合成路线,涉及2-(吲哚基锌)衍生物与2-卤代吡啶的Pd(0)催化交叉偶联,吡啶环的立体选择性加氢和亲电环化据报道,从所得的2-(2-哌啶基)吲哚的吲哚3-位上得到的“吲哚”表示。