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CaO-catalyzed synthesis of glycerol carbonate from glycerol and dimethyl carbonate: Isolation and characterization of an active Ca species

  • Fidelis Stefanus Hubertson Simanjuntak
  • , Tae Kyung Kim
  • , Sang Deuk Lee
  • , Byoung Sung Ahn
  • , Hoon Sik Kim
  • , Hyunjoo Lee

Research output: Contribution to journalArticlepeer-review

175 Citations (Scopus)

Abstract

The transesterification of dimethyl carbonate (DMC) with glycerol to produce glycerol carbonate was investigated in the presence of CaO under various reaction conditions. CaO was completely dissolved in the reaction mixture of glycerol and DMC in 5 min at 75 °C and at the molar ratio of glycerol/DMC/CaO of 1/2/0.01. The isolation and the characterization of the dissolved Ca species by means of TOF-SIMS, elemental analysis, and FT-IR revealed that an active species, Ca(C3H7O 3)(OCO2CH3) is generated from the interaction of CaO with glycerol and DMC. The mechanistic pathways to the formations of Ca(C3H7O3)(OCO2CH3) and glycerol carbonate are discussed on the basis of experimental and spectroscopic results.

Original languageEnglish
Pages (from-to)220-225
Number of pages6
JournalApplied Catalysis A: General
Volume401
Issue number1-2
DOIs
Publication statusPublished - 15 Jul 2011

Keywords

  • CaO
  • Dimethyl carbonate
  • Glycerol
  • Glycerol carbonate
  • Homogeneous catalyst

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