Silica-supported copper(II) catalyzed coupling of arylboronic acids with imidazoles

被引：12
|
作者：
Zhang Li-Yuan [1 ]
Wang Lei
机构：
[1] Huaibei Coal Teacher 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：
CHINESE JOURNAL OF CHEMISTRY | 2006年 / 24卷 / 11期
关键词：
Ar-N coupling; arylboronic acid; imidazole; organic-inorganic hybrid material; immobilization; copper(II); heterogeneous catalyst;
D O I：
10.1002/cjoc.200690300
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Immobilized copper(II) in organic-inorganic hybrid materials catalyzed Ar-N coupling of arylboronic acids with imidazoles has been developed. Arylboronic acids reacted with imidazoles smoothly in the presence of a 3-(2-aminoethylamino)propyl functionalized silica gel immobilized copper(II) catalyst (10 mol%) in methanol without any additives and bases. The reactions generated the corresponding cross-coupling products in good yields. Furthermore, silica-supported copper can be recovered and recycled by a simple filtration procedure and used for five consecutive trials without decreases in activity.
引用
收藏
页码：1605 / 1608
页数：4
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