A silica-supported copper(I) catalyzed Sonogashira coupling reaction

被引：26
|
作者：
Zhang, LY
Li, PH
Wang, L [1 ]
机构：
[1] Huaibei Coal Teachers Coll, Dept Chem, Huaibei 235000, Anhui, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R China
来源：
LETTERS IN ORGANIC CHEMISTRY | 2006年 / 3卷 / 04期
关键词：
Sonogashira coupling reaction; organic-inorganic hybrid material; immobilization of copper(I); heterogeneous catalyst;
D O I：
10.2174/157017806776114559
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
An immobilization of copper(l) in organic-inorganic hybrid materials catalyzed Sonogashira coupling reaction was developed. Terminal alkynes reacted with aryl iodides and aryl bromides in the presence of 3-(2-aminoethylamino)propyl functionalized silica gel immobilized copper(l) catalyst, triphenylphosphine and potassium carbonate in DMF. The reactions generated the corresponding cross-coupling products in good to excellent yields. Furthermore, silica-supported copper was recovered and recycled by a simple filtration of the reaction solution and used for six consecutive trials without decreases in activity.
引用
收藏
页码：282 / 285
页数：4
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