Sonogashira cross-coupling reaction of organotellurium dichlorides with terminal alkynes

被引：34
|
作者：
Braga, AL [1 ]
Lüdtke, DS
Vargas, F
Donato, RK
Silveira, CC
Stefani, MA
Zeni, G
机构：
[1] Univ Fed Santa Maria, Dept Quim, BR-97105900 Santa Maria, RS, Brazil
[2] USP, Fac Ciencias Farmaceut, Sao Paulo, Brazil
来源：
TETRAHEDRON LETTERS | 2003年 / 44卷 / 09期
关键词：
D O I：
10.1016/S0040-4039(03)00098-4
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The Sonogashira cross-coupling reaction of vinylic and heteroaromatic tellurium dichlorides has been explored, yielding the corresponding enynes and 2-alkynyl substituted heteroaromatic compounds. The reaction was carried out with PdCl2/CuI as catalysts and triethylamine as base, using methanol as solvent. The reaction proceeded under mild conditions and the cross-coupled products were obtained in good yields and in a stereoconservative manner. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1779 / 1781
页数：3
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