Issue 8, 2014
From the journal:

Green Chemistry

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

Zhen-Zhen Yang,a   Yanfei Zhao,a   Guipeng Ji,a   Hongye Zhang,a   Bo Yu,a   Xiang Gaoa  and  Zhimin Liu*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail: liuzm@iccas.ac.cn

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.

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

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Article information

DOI
https://doi.org/10.1039/C4GC00730A
Article type
Communication
Submitted
23 Apr 2014
Accepted
03 Jun 2014
First published
06 Jun 2014

Green Chem., 2014,16, 3724-3728

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

Z. Yang, Y. Zhao, G. Ji, H. Zhang, B. Yu, X. Gao and Z. Liu, Green Chem., 2014, 16, 3724 DOI: 10.1039/C4GC00730A

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