Mechanistic Studies of CO Cycloaddition Reaction Catalyzed by Amine-Functionalized Ionic Liquids.

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2019
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Abstract
The homogeneous cycloaddition reaction of CO and epichlorohydrin catalyzed by amine-functionalized ionic liquid (AFIL) to yield cyclic carbonate is reported in this study. The AFIL has the dual function of ionic liquid and organic base. The experimental study indicates that AFIL can efficiently catalyze the conversion of CO and epichlorohydrin to the product 3-chloro-1,2-propylene. The mechanistic study based on DFT calculations reveals that the imidazolium ring in AFIL primarily catalyzes the ring-opening reaction of epichlorohydrin, while the protonated amine group is responsible for stabilizing the Br anion in the nucleophilic attack. This study provides a deep insight into the catalytic roles of AFIL and also inspires us to design efficient dual function catalysts for CO utilization.
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chen2019mechanisticfrontiers Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chen, Jian;Gao, Han;Ding, Tong;Ji, Liangzheng;Zhang, John Z H;Gao, Guohua;Xia, Fei;
Journal Frontiers in chemistry
Year 2019
DOI 10.3389/fchem.2019.00615
URL
Keywords
mechanism dft calculations co2 conversion amine-functionalized ionic liquids cyclic carbonates

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