Tetrabutylammonium chloride-triggered 6-endo cyclization of o-alkynylisocyanobenzenes: an efficient synthesis of 2-chloro-3-substituted quinolines
作者:Lanying Liu、Yong Wang、Honggen Wang、Changlan Peng、Jiaji Zhao、Qiang Zhu
DOI:10.1016/j.tetlet.2009.09.096
日期:2009.12
A highly efficient one-pot synthesis of 2-chloro-3-substituted quinolines has been developed by tetrabutylammonium chloride-triggered 6-endo cyclization of o-alkynylisocyanobenzenes, which are generated in situ by dehydration of the corresponding N-(2-ethynylphenyl)formamides. (C) 2009 Elsevier Ltd. All rights reserved.