Copper-catalyzed coupling of 1,2-dibromo-1-styrenes with sulfonamides for the preparation of ynamides
作者:Yuan Yang、Xiaoyun Zhang、Yun Liang
DOI:10.1016/j.tetlet.2012.09.092
日期:2012.11
Ynamides were prepared through an efficient copper-catalyzed coupling reaction. In the presence of copper iodide, 1,10-phenanthroline, and Cs2CO3, the coupling reaction of 1,2-dibromo-1-styrenes with sulfonamides proceeded smoothly and generated the corresponding products with excellent isolated yields. (C) 2012 Elsevier Ltd. All rights reserved.