Amino-Functional Imidazolium Ionic Liquids for CO2 Activation and Conversion to Form Cyclic Carbonate
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- Yue, C., Su, D., Zhang, X. et al. Catal Lett (2014) 144: 1313. doi:10.1007/s10562-014-1241-5
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A series of amino-functional imidazolium ionic liquids have been prepared and used as catalysts for cycloaddition of CO2 with epoxide. The reactions generated the cyclic carbonate even at room temperature under atmospheric pressure. Under the optimal reaction conditions, the propylene carbonate was yield to 98.0 % in the presence of [APbim]I, and the ionic liquids could be reused at least nine times without noticeable decrease in activity and selectivity. Besides, the reaction mechanism was proposed.