Simanjuntak, Fidelis Stefanus Hubertson Kim, Tae Kyung Lee, Sang Deuk Ahn, Byoung Sung Kim, Hoon Sik Lee, Hyunjoo 2024-01-20T16:34:21Z 2024-01-20T16:34:21Z 2021-09-04 2011-07-15 0926-860X https://pubs.kist.re.kr/handle/201004/130183 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 degrees 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(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. (C) 2011 Elsevier B.V. All rights reserved. English ELSEVIER SOLID BASE TRANSESTERIFICATION CALCIUM SOLVENT OIL CaO-catalyzed synthesis of glycerol carbonate from glycerol and dimethyl carbonate: Isolation and characterization of an active Ca species Article 10.1016/j.apcata.2011.05.024 1 APPLIED CATALYSIS A-GENERAL, v.401, no.1-2, pp.220 - 225 APPLIED CATALYSIS A-GENERAL 401 1-2 220 225 scie scopus 000293492300030 2-s2.0-79959717484 Chemistry, Physical Environmental Sciences Chemistry Environmental Sciences & Ecology Article SOLID BASE TRANSESTERIFICATION CALCIUM SOLVENT OIL Glycerol Glycerol carbonate Dimethyl carbonate CaO Homogeneous catalyst