Polystyrene-supported CuI-imidazole complex catalyst for aza-Michael reaction of imidazoles with α,β-unsaturated compounds

被引：31

作者：

Li, Lixia ^{[1
,2
]}

Liu, Zuliang ^{[1
]}

Ling, Qilong ^{[1
]}

Xing, Xiaodong ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China

[2] Jiangsu Univ, Sch Environm, Zhenjiang 212013, Peoples R China

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2012年 / 353卷

关键词：

Polystyrene-supported CuI-imidazole; complex catalyst; Aza-Michael reaction; Imidazoles; alpha; beta-unsaturated compounds; BASIC IONIC LIQUID; HIGHLY EFFICIENT; N-ARYLATION; AMINO ALCOHOLS; ARYL HALIDES; ADDITIONS; NITROMETHANE; HETEROCYCLES; NITROGEN; ALKENES;

D O I：

10.1016/j.molcata.2011.11.023

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：

The polystyrene-supported CuI-imidazole complex catalyst was prepared and characterized by IR spectroscopy, elemental analysis, SEM/TEM and TG/DSC. The complex catalyst was globular with the size of 400-500 nm and showed a good thermal stability at high temperature. The immobilized Cu metal in the complex catalyst was about 0.85 mmol/g. By using the catalyst, aza-Michael reaction of imidazoles to alpha,beta-unsaturated compounds was performed with good yields in 4-8 h. The catalyst showed an excellent recycling efficiency over five cycles without distinct leaching of metal from the polymer support. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：178 / 184

页数：7

共 20 条

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