Cu-Catalyzed Arylation/Acyl Migration Cascade Reaction of Enaminones: Access to N-Fused Polycyclic and 2,3-Disubstituted Indoles
作者:Weishuang Li、Zhan Dong、Yan Zhang、Zhen Zeng、Muhammad Usman、Wen-Bo Liu
DOI:10.1021/acs.joc.9b00866
日期:2019.6.21
polycyclic and 2,3-disubstituted indoles by copper-catalyzed direct annulation/acyl migration reaction of enaminones is reported. This strategy features cheap and low loading of the catalyst/ligand, readily available starting materials, and good functional group compatibilities. Notably, allyl-containing substrates are also tolerated, which allows the downstream derivatization toward indole alkaloids.
据报道,铜催化的烯胺酮的直接环化/酰基迁移反应可有效合成N稠合的多环和2,3-二取代的吲哚。该策略的特征在于催化剂/配体的便宜和低负载,易于获得的起始材料以及良好的官能团相容性。值得注意的是,还可以耐受含烯丙基的底物,从而可以向下游衍生为吲哚生物碱。