Fluoro-functionalized polymeric ionic liquids: highly efficient catalysts for CO2 cycloaddition to cyclic carbonates under mild conditions

Literature Information

Publication Date 2014-06-06
DOI 10.1039/C4GC00730A
Impact Factor 10.182
Authors

Zhen-Zhen Yang, Yanfei Zhao, Guipeng Ji, Hongye Zhang, Bo Yu, Xiang Gao, Zhimin Liu


View Original

Abstract

Fluoro-functionalized polymeric ionic liquids (F-PILs) with imidazolium cations and bromide or chloride anions were designed for cycloaddition reactions of CO2 with epoxides. It was found that the fluorine content in F-PILs significantly influenced the catalytic activity of the catalysts, and F-PIL-Br showed three times higher activity for CO2 reacting with styrene oxide than non-fluorous PIL-Br. Moreover, F-PIL-Br could be extended to catalyse a broad range of reactants under 1 MPa CO2 pressure, producing a series of cyclic carbonates in excellent yields (93–99%). In addition, it showed high stability and easy recyclability.

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