Efficient synthesis of bis(indolyl)methanes catalyzed by Lewis acids in ionic liquids

被引:151
作者
Ji, SJ [1 ]
Zhou, JF
Gu, DG
Wang, SY
Loh, TP
机构
[1] Suzhou Univ, Coll Chem & Chem Engn, Suzhou 215006, Peoples R China
[2] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
关键词
ionic liquids; In(OTf)3; Lewis acids; indoles; bis(indolyl)methanes;
D O I
10.1055/s-2003-41464
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Efficient electrophilic substitution reactions of indoles with various aldehydes proceed smoothly in ionic liquids using Lewis acids, In(OTf)(3), YbCl3, InCl3, BiCl3, and ZnCl2, to afford the corresponding bis(indolyl)methanes in high yields.
引用
收藏
页码:2077 / 2079
页数:3
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