Abstract:
PURPOSE: A method for preparing an aromatic carbonate compound is provided to obtain the aromatic carbonate compound with high selectivity by esterification under the presence of a main catalyst and a co-catalyst. CONSTITUTION: A catalyst composition for synthesizing an aromatic carbonate compound contains one or more kinds of samarium-based main catalysts of chemical formula 1 or 2, and one or more co-catalysts of chemical formula 3, 4, or 5. The molar ratio of the main catalyst and the co-catalyst is 1:1-3:1. A method for preparing the aromatic carbonate compound comprises a step of reacting an aliphatic carbonate compound and an aromatic hydroxyl compound with one or more samarium-based main catalysts of chemical formula 1 or 2 with one or more co-catalysts of chemical formula 3, 4, or 5.