Polystyrene-supported phenol/DMAP:: an efficient binary catalyst system for CO2 fixation to give cyclic carbonates

被引：9
作者：
Qi, Chao-Rong [1 ]
Jiang, Huan-Feng [1 ]
Wang, Zhao-Yang [1 ]
Bo, Zou [1 ]
机构：
[1] S China Univ Technol, Coll Chem, Ctr Green Chem, Guangzhou 510640, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2007年 / 25卷 / 07期
关键词：
carbon dioxide; epoxide; carbon dioxide fixation; cyclic carbonate; supported catalyst;
D O I：
10.1002/cjoc.200790169
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polystyrene-supported phenol (PS-PhOH) was successfully synthesized by alkylation reaction of phenol with 2% DVB cross-linked chloromethylated polystyrene and characterized by IR spectra and elemental analysis. In conjunction with an organic base such as DMAP, DBU, triethylamine (Et3N), diethylamine (Et2NH) or pyridine, the PS-PhOH could effectively catalyze the coupling reaction of carbon dioxide with epoxides to give cyclic carbonates in high yield and selectivity under mild conditions. The binary catalyst system of the PS-PhOH/DMAP was found to be the most active. The influence of reaction temperature, carbon dioxide pressure and reaction time on the yield of product was carefully investigated. The PS-PhOH could be recycled by simple filtration for at least up to ten times without loss of catalytic activity.
引用
收藏
页码：1051 / 1054
页数：4
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