Research Article
Cycloaddition Reaction of Carbon Dioxide to Epoxides Catalyzed by Polymer-Supported Quaternary Phosphonium Salts
Figure 6
Influence of reaction time on the cyclic carbonate yield and selectivity. Reaction conditions: ECH 3 mL, PS-QPS-1 0.08 g, 5 MPa CO2, and 150°C.