単−及び二官能性の芳香族アミンから成るウレタンを製造する方法

摘要

The object of the invention is to provide a process for preparing urethanes by reacting aromatic amines with a dialkyl carbonate, wherein the alkyl radical of the organic dialkyl carbonate comprises from 2 to 18 carbon atoms, and the reaction is carried out in the presence of a base.