Squaramide-catalyzed enantioselective Friedel–Crafts reaction of indoles with imines
作者:Yong Qian、Gaoyuan Ma、Aifeng Lv、Hai-Liang Zhu、Jing Zhao、Viresh H. Rawal
DOI:10.1039/b922120d
日期:——
Chiral squaramides are highly enantioselective catalysts for FriedelâCrafts reaction of indoles with N-tosyl imines, affording 3-indolyl methanamine products in 85â96% yields and 84â96% ees.
手性方酰胺是吲哚与 N-对甲苯磺酰亚胺进行 FriedelâCrafts 反应的高对映选择性催化剂,可生成 3-吲哚基甲胺产品,收率 85â96% ,醚率 84â96% 。