Patent ID: 8138367
Filing Date: 2012-03-20
Classification: C07C,Y02P

Abstract:
1. A process for the production of an aromatic carbonate, comprising: continuously feeding an aliphatic carbonate represented by following general formula (1) as a starting material, an aromatic monohydroxy compound represented by following general formula (2) as a reactant, and a metal-containing catalyst into a stage above a bottom of a first multi-stage distillation column so as to bring about reaction; and continuously withdrawing from a reaction system in a gaseous form a low boiling point component containing an alcohol by-produced in the reaction, and continuously withdrawing from a lower portion of the column in a liquid form an aromatic carbonate represented by following general formula (3) obtained from the starting material and the reactant, wherein R wherein R wherein said metal-containing catalyst is dissolved in a liquid phase in said reaction, or is present in a liquid form during said reaction, and said metal-containing catalyst comprises an organic titanate having at least one Ti—O—Ti linkage therein.