Construction of Azepino[2,3-<i>b</i>]indole Core via Sulfur Ylide Mediated Annulations
作者:Jun-Long Li、Qing-Song Dai、Kai-Chuan Yang、Yue Liu、Xiang Zhang、Hai-Jun Leng、Cheng Peng、Wei Huang、Qing-Zhu Li
DOI:10.1021/acs.orglett.8b03363
日期:2018.12.7
annulation of indoline-based aza-dienes and crotonate-derived sulfur ylides is described. This method could be further expanded by using more efficient synthetic strategies, including three-component [3 + 1 + 3] cascade and the direct sulfide-catalyzed [4 + 3] cyclization. These protocols enable the rapid construction of azepino[2,3-b]indole cores, and a broad spectrum of the desired products with diverse