申请人:ENICHEM ANIC S.p.A.
公开号:EP0103919A2
公开(公告)日:1984-03-28
A process is disclosed for producing substituted asymmetric ureas, starting from dialkylcarbonates, aromatic amines and aliphatic amines, by a two-step procedure and in the presence of a catalyst selected from among the Lewis' acids and the alkoxides or the hydroxides of alkali metals or alkaline earth metals.
本发明公开了一种以二烷基碳酸酯、芳香胺和脂肪胺为原料,在从路易斯酸和碱金属或碱土金属的烷氧基化物或氢氧化物中选出的催化剂存在下,通过两步法生产取代的不对称脲的工艺。