Catalysts 2013, 3(4), 878-901; doi:10.3390/catal3040878
Review

Ionic Liquids: The Synergistic Catalytic Effect in the Synthesis of Cyclic Carbonates

1 Beijing Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China 2 University of Chinese Academy of Sciences, Beijing 100049, China 3 Department of Chemical Engineering, University of Waterloo, 200 University Avenue West, Waterloo N2L 3G1, Canada
* Authors to whom correspondence should be addressed.
Received: 19 August 2013; in revised form: 27 September 2013 / Accepted: 8 October 2013 / Published: 22 October 2013
(This article belongs to the Special Issue Ionic Liquids in Catalysis)
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Abstract: This review presents the synergistic effect in the catalytic system of ionic liquids (ILs) for the synthesis of cyclic carbonate from carbon dioxide and epoxide. The emphasis of this review is on three aspects: the catalytic system of metal-based ionic liquids, the catalytic system of hydrogen bond-promoted ionic liquids and supported ionic liquids. Metal and ionic liquids show a synergistic effect on the cycloaddition reactions of epoxides. The cations and anions of ionic liquids show a synergistic effect on the cycloaddition reactions. The functional groups in cations or supports combined with the anions have a synergistic effect on the cycloaddition reactions. Synergistic catalytic effects of ILs play an important role of promoting the cycloaddition reactions of epoxides. The design of catalytic system of ionic liquids will be possible if the synergistic effect on a molecular level is understood.
Keywords: synergistic effect; ionic liquid; cyclic carbonates; carbon dioxide

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MDPI and ACS Style

Cheng, W.; Su, Q.; Wang, J.; Sun, J.; Ng, F.T. Ionic Liquids: The Synergistic Catalytic Effect in the Synthesis of Cyclic Carbonates. Catalysts 2013, 3, 878-901.

AMA Style

Cheng W, Su Q, Wang J, Sun J, Ng FT. Ionic Liquids: The Synergistic Catalytic Effect in the Synthesis of Cyclic Carbonates. Catalysts. 2013; 3(4):878-901.

Chicago/Turabian Style

Cheng, Weiguo; Su, Qian; Wang, Jinquan; Sun, Jian; Ng, Flora T. 2013. "Ionic Liquids: The Synergistic Catalytic Effect in the Synthesis of Cyclic Carbonates." Catalysts 3, no. 4: 878-901.

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