A process for the preparation of aromatic carbamates comprising contacting one or more organic carbonates with an aromatic amine or urea in the presence of a catalyst and recovering the resulting aromatic carbamate product, characterized in that the catalyst is a heterogeneous catalyst comprising a Group 12-15 metal compound supported on a substrate.
一种制备芳香族
氨基甲酸酯的方法,包括在催化剂的存在下,将一种或多种有机
碳酸酯与芳香族胺或
尿素接触,并回收所得的芳香族
氨基甲酸酯产物,其特征在于所述催化剂是一种分散催化剂,包括负载在底物上的12-15族
金属化合物。