A ruthenium complex exhibiting high catalytic efficiency for the formation of propylene carbonate from carbon dioxide

被引：29
|
作者：
Bu, Zhanwei
Qin, Gang
Cao, Shaokui [1 ]
机构：
[1] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450052, Peoples R China
[2] Henan Univ, Coll Chem & Chem Engn, Kaifeng 475001, Peoples R China
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2007年 / 277卷 / 1-2期
关键词：
propylene carbonate; propylene oxide; carbon dioxide; ruthenium complex;
D O I：
10.1016/j.molcata.2007.06.007
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：
A highly efficient catalyst composed of (2,2'-bipy)RuCl3(CH3OH) and cetyltrimethylammonium chloride is reported for the first time for the formation of propylene carbonate from carbon dioxide and propylene oxide under mild conditions (75 degrees C, 3.0 Wa). Nearly 100% selectivity and 100% yield of propylene carbonate was achieved. The catalyst can be easily recovered and reused several times without appreciable loss of catalytic activity, total turn over number reaching 2.04 x 10(4) after five catalytic recycles with a turnover frequency higher than 1000 h(-1). A mechanism for the reaction was proposed. (c) 2007 Published by Elsevier B.V.
引用
收藏
页码：35 / 39
页数：5
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