Copper(I)-catalyzed homocoupling reaction of terminal alkynes in supercritical CO2

被引：14
|
作者：
Li, Fa-Wang [1 ]
Suo, Quan-Ling [1 ]
Hong, Hai-Long [1 ]
Zhu, Ning [1 ]
Wang, Ya-Qi [1 ]
Guo, Lin-Lin [1 ]
Han, Li-Min [1 ]
机构：
[1] Inner Mongolia Univ Technol, Chem Engn Coll, Hohhot 010051, Peoples R China
来源：
JOURNAL OF SUPERCRITICAL FLUIDS | 2014年 / 92卷
基金：
中国国家自然科学基金;
关键词：
Homocoupling; Terminal alkyne; Supercritical CO2; Copper catalyst; 1,3-Diyne; COUPLING REACTIONS; GREEN CHEMISTRY;
D O I：
10.1016/j.supflu.2014.05.005
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
An efficient method for CuCl-catalyzed homocoupling reaction of terminal alkynes in the synthesis of symmetric 1,3-diynes has been developed in supercritical CO2 (ScCO2) without organic solvent. Homocoupling of various terminal alkynes (solid or liquid) could afford the corresponding products in moderate to excellent yields. In addition, ScCO2 play the role of reactive solvent, and DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) acts as the key additive for homocoupling reactions of terminal alkynes, which enhanced the reaction rate and the solubility of copper(l) catalyst in ScCO2. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：70 / 74
页数：5
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