Polystyrene‐supported Phenol/DMAP: an Efficient Binary Catalyst System for CO 2 Fixation to Give Cyclic Carbonates

作者：Chaorong Qi, Huanfeng Jiang, Zhao‐Yang Wang, Bo Zou · 发表于：Chinese Journal of Chemistry · 年份：2007 · DOI：10.1002/cjoc.200790169 · 被引用次数：7 · 研究领域：Carbon dioxide utilization in catalysis、CO2 Reduction Techniques and Catalysts、Carbon Dioxide Capture Technologies

Abstract 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 (Et 3 N), diethylamine (Et 2 NH) 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.