Aza-Michael addition reactions between nitroolefins and benzotriazole catalyzed by MCM-41 immobilized heteropoly acids in water

被引：27
|
作者：
Xie, Shao-Lei
Hui, Yong-Hai [1 ]
Long, Xiang-Ju
Wang, Chang-Chun
Xie, Zheng-Feng
机构：
[1] Xinjiang Univ, Key Lab Oil & Gas Fine Chem, Minist Educ, Urumqi 830046, Xinjiang Uyghur, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2013年 / 24卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Aza-Michael addition; MCM-41; Heteropoly acids; Heterogenous catalysts;
D O I：
10.1016/j.cclet.2012.12.009
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
MCM-41 supported heteropoly acids (HPAs) catalysts were synthesized, characterized and their catalytic activity was evaluated in an aza-Michael addition reaction between nitroolefins and benzotriazole in water at room temperature. 50 wt% PW/MCM-41 showed the highest activity (up to 96% yield). The catalyst was used in six consecutive experiments without obvious loss of activity, confirming the success of the anchoring process and the catalyst stability. (C) 2012 Yong-Hai Hui. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
引用
收藏
页码：28 / 30
页数：3
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