Abstract
A basic ionic liquid, namely choline hydroxide, was prepared and supported on MgO to form Choline hydroxide/MgO material. The supported ionic liquid material was characterized by XRD, FT–IR and TG and used as a catalyst in one-pot synthesis of dimethyl carbonate from propylene oxide, methanol and carbon dioxide. A good catalytic performance was obtained with 98% conversion of epoxide and selectivity of above 90% to DMC + PC over the composite catalyst. However, the catalyst could be reused three times without a significant change in its catalytic activity.
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Acknowledgments
We make a great acknowledgement for the financial support of this work by the foundation of educational department and natural science foundation of Heilongjiang Province, People Republic China (Nos. 11521068 and TB2005-16).
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De, C., Lu, B., Lv, H. et al. One-Pot Synthesis of Dimethyl Carbonate from Methanol, Propylene Oxide and Carbon Dioxide Over Supported Choline hydroxide/MgO. Catal Lett 128, 459–464 (2009). https://doi.org/10.1007/s10562-008-9773-1
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DOI: https://doi.org/10.1007/s10562-008-9773-1