Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 9, Issue 31, Pages 10437-10443Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.1c03187
Keywords
Carbon dioxide; Deep eutectic solvents; Cyclic carbonates; Ionic liquids; Synergetic catalysis
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Funding
- Natural Science Special Foundation of Guizhou University [X2019065]
- Natural Science Foundation of Guizhou Science and Technology Department [2021068, 2021069]
- Characteristic Field Project of Education Department in Guizhou Province [2021055]
- Guizhou University Cultivation Project [201955]
- Scientific and Technological Innovation Talents Team Project of Guizhou Province [20185607]
- One Hundred Person Project of Guizhou Province [20165655]
- Innovation Group Project of Education Department in Guizhou Province [2021010]
- Guizhou Province Graduate Research Fund [2020044]
- College Student Innovation Fund of Guizhou University
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A series of deep eutectic solvents (DESs) consisting of protic ionic liquids (PILs) and amines exhibit effective catalytic activity for the fixation of CO2 to cyclic carbonates, achieving high yields and stable catalytic activity. Mechanistic research reveals simultaneous activation of CO2 and epoxides through the synergistic catalysis of PILs and amines in these deep eutectic solvents.
A series of deep eutectic solvents (DESs), consisting of protic ionic liquids (PILs) and amines, feature effective catalytic activity for the fixation of CO2 to cyclic carbonates at ambient temperature and pressure without any solvents and additives. Good yields of cyclic carbonates are achieved (up to 99%), and no obvious deactivation in catalytic activity is found after five cycles. Mechanistic research reveals that CO2 and epoxides are activated simultaneously through the synergistic catalysis of PILs and amines.
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