A new, efficient, and inexpensive copper(II)/salicylic acid complex catalyzed Sonogashira-type cross-coupling of haloarenes and iodoheteroarenes with terminal alkynes

被引：53
|
作者：
Chen, Horung-Jyh [1 ]
Lin, Zhe-Yi [1 ]
Li, Meng-Yuan [1 ]
Lian, Ruei-Jheng [1 ]
Xue, Qing-Wen [1 ]
Chung, Jui-Lun [1 ]
Chen, Shu-Chih [1 ]
Chen, Yao-Jung [1 ]
机构：
[1] Natl Chung Hsing Univ, Dept Chem, Taichung 402, Taiwan
来源：
TETRAHEDRON | 2010年 / 66卷 / 39期
关键词：
Salicylic acid; Sonogashira-type cross-coupling reaction; Copper chloride; Haloarenes; Terminal alkynes; IRON/COPPER COCATALYZED ALKYNYLATION; RAY CRYSTAL-STRUCTURES; EARTH METAL-IONS; COPPER-FREE; ARYL BROMIDES; LIGAND-FREE; AMINE-FREE; PALLADIUM-FREE; CHEMISTRY; HALIDES;
D O I：
10.1016/j.tet.2010.07.072
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new, efficient, and inexpensive CuCl2/salicylic acid catalytic system has been developed to catalyze Sonogashira-type cross-coupling of haloarenes and iodoheteroarenes with terminal alkynes under mild reaction conditions to afford the corresponding coupling products in 18-95% yields. The role of salicylic acid might act as a bidentate O,O-donor ligand to activate the catalytic reactivity of copper chloride in coupling reactions was also briefly discussed. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：7755 / 7761
页数：7
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