Straightforward Access to Hexahydropyrrolo[2,3-<i>b</i>]indole Core by a Regioselective C3-Azo Coupling Reaction of Arenediazonium Compounds with Tryptamines
作者:David E. Stephens、Oleg V. Larionov
DOI:10.1002/ejoc.201402088
日期:2014.6
A base-mediated regioselective electrophilic addition of arenediazonium salts at the C3-position of tryptamines followed by cyclization provides an efficient entry to C3-nitrogenated hexahydropyrrolo[2,3-b]indoles (HPIs) that can subsequently be transformed into 3-arylhexahydropyrrolo[2,3-b]indoles and other HPI derivatives. The reaction is the first example of a 1,2-diamination that utilizes easily
在色胺的 C3 位上进行芳烃重氮盐的碱介导区域选择性亲电加成,然后环化,可有效进入 C3 氮化六氢吡咯并[2,3-b]吲哚 (HPI),随后可将其转化为 3-芳基六氢吡咯并[2,3-b]吲哚。 2,3-b]吲哚和其他 HPI 衍生物。该反应是利用容易获得的芳烃重氮盐作为含氮亲电子试剂进行 1,2-二胺化的第一个例子。