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The combination system of CeO2-catalyzed carboxylation and 2-cyanopyridine hydration (CeO2+2-cyanopyridine system) is effective for the direct synthesis of organic carbonates from CO2 and alcohols. This catalyst system can be applied to various alcohols to afford the corresponding carbonates in high alcohol-based yields. The hydration of 2-cyanopyridine over CeO2 rapidly proceeds under the low concentration...
The catalytic properties of CeO 2 catalysts in direct synthesis of dimethyl carbonate (DMC) from CH 3 OH and CO 2 were investigated. The formation rate of DMC over the catalysts calcined at 873K and above was almost proportional to the surface area of catalysts. However, CeO 2 calcined at 673K showed lower activity than expected from the surface area. From the results...
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