Hydrogenation of Olefins Catalyzed by Polymer-Supported Palladium-Imidazole

被引：10
作者：
Velu, Udayakumar [1 ]
Stanislaus, Alexander [1 ]
Virupaiah, Gayathri [1 ]
Shivakumaraiah [2 ]
Balasubramanian, Viswanathan [3 ]
机构：
[1] Bangalore Univ, Dept Studies Chem, Bangalore 560001, Karnataka, India
[2] Siddaganga Inst Technol, Tumkur 572103, Karnataka, India
[3] IIT Madras, Natl Ctr Catalysis Res, Chennai 600036, Tamil Nadu, India
来源：
CHINESE JOURNAL OF CATALYSIS | 2011年 / 32卷 / 02期
关键词：
polymer-supported palladium-imidazole catalyst; cyclohexene; relative reactivity; sequential hydrogenation; recycling efficiency; REACTIVITY;
D O I：
10.1016/S1872-2067(10)60176-3
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A polymer-supported palladium-imidazole catalyst was used to catalyze the hydrogenation of various olefins under mild conditions. The rate of hydrogenation was studied. The effects of factors such as substrate concentration, catalyst concentration, partial pressure of hydrogen and temperature on initial rate of reaction of selected olefins were investigated. A mechanism for the reaction was proposed from the rate equation. The effects of the solvent and structure of the olefin on the rate of hydrogenation were investigated. The catalyst showed good reusability without any leaching of metal from the support. The homologous analog of the polymer-supported catalyst could not be used as catalyst for the hydrogenation of olefins in methanol because there was precipitation of the metal during reaction.
引用
收藏
页码：280 / 285
页数：6
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