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On the mechanism of CO2 electro-cycloaddition to propylene oxides

Author:
Gallardo-Fuentes, Sebastian  Contreras, Renato  Isaacs, Mauricio  Honores, Jessica  Quezada, Diego  Landaeta, Esteban  Ormazabal-Toledo, Rodrigo  


Journal:
JOURNAL OF CO2 UTILIZATION


Issue Date:
2016


Abstract(summary):

We herein present a systematic study on the mechanism of CO2 electro-cycloaddition to propylene oxide, using both experimental and theoretical procedures. The study considers the analysis of mild and sustainable conditions to obtain cyclic carbonates from CO2 recycling. Within the electrochemical approach, the application of an overpotential in the reaction enhances the reaction yield significantly with respect to the thermal pathway. The quantum-mechanical approach provides relevant information about the reaction mechanism. Specifically, the use of the Lewis acid catalyst Mg2+ in the presence of the [C(4)C(1)Im][Br] ionic liquid provides the best condition for the electro-synthesis. The theoretical predictions were confirmed by a new set of experiments. (C) 2016 Elsevier Ltd. All rights reserved.


Page:
114---120


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