Effect of hydrogen bond of hydroxyl-functionalized ammonium ionic liquids on cycloaddition of CO2

[Display omitted] A synergistic effect of the hydrogen bond on the cycloaddition of CO2 and epoxides to form cyclic carbonates was investigated through experimental study and characterization. A highly effective homogeneous system of hydroxyl-functionalized quaternary ammonium ionic liquids with a d...

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Bibliographic Details
Published in:Tetrahedron letters 2015-03, Vol.56 (11), p.1416-1419
Main Authors: Cheng, Weiguo, Xiao, Benneng, Sun, Jian, Dong, Kun, Zhang, Peng, Zhang, Suojiang, Ng, Flora T.T.
Format: Article
Language:English
Subjects:
CO2
Cycloaddition
Hydrogen bond
Ionic liquid
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Summary:[Display omitted] A synergistic effect of the hydrogen bond on the cycloaddition of CO2 and epoxides to form cyclic carbonates was investigated through experimental study and characterization. A highly effective homogeneous system of hydroxyl-functionalized quaternary ammonium ionic liquids with a different number of the hydroxyl group in the cation was developed for the fixation of CO2 to form cyclic carbonates. A mechanism via the hydrogen bond activation for the cycloaddition was proposed based on both experimental data and modeling. This research enhances the understanding of the promotion of reaction via hydrogen bonding and forms the basis for the rational design of catalytic systems for the fixation of CO2 into organic compounds.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2015.01.174