CaO-catalyzed synthesis of glycerol carbonate from glycerol and dimethyl carbonate: Isolation and characterization of an active Ca species
- CaO-catalyzed synthesis of glycerol carbonate from glycerol and dimethyl carbonate: Isolation and characterization of an active Ca species
- 피델리스 허버트슨; 김태경; 이상득; 안병성; 김훈식; 이현주
- Glycerol; Glycerol carbonate; Dimethyl carbonate; CaO; Homogeneous catalyst
- Issue Date
- Applied catalysis A, General
- VOL 401, NO 1-2, 220-225
- 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
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(C3H7O3)(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.
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