CO2 Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO2 Catalyst in the Presence and Absence of 2-Cyanopyridine

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19 Citations (Scopus)

Abstract

Recent progress on the CeO2 catalyzed synthesis of organic carbonates, ureas, and carbamates from CO2+alcohols, CO2+amines, and CO2+alcohols+amines, respectively, is reviewed. The reactions of CO2 with alcohols and amines are reversible ones and the degree of the equilibrium limitation of the synthesis reactions is strongly dependent on the properties of alcohols and amines as the substrates. When the equilibrium limitation of the reaction is serious, the equilibrium conversion of the substrate and the yield of the target product is very low, therefore, the shift of the equilibrium reaction to the product side by the removal of H2O is essential in order to get the target product in high yield. One of the effective method of the H2O removal from the related reaction systems is the combination with the hydration of 2-cyanopyridine to 2-picolinamide, which is also catalyzed by CeO2.

Original languageEnglish
Pages (from-to)1354-1379
Number of pages26
JournalChemical Record
Volume19
Issue number7
DOIs
Publication statusPublished - 2019 Jul 1

Keywords

  • Carbamate
  • Carbon dioxide
  • Cerium oxide
  • Organic carbonate
  • Urea

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry
  • Chemical Engineering(all)
  • Materials Chemistry

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