申请人:ARCO Chemical Technology, L.P.
公开号:EP0507616A1
公开(公告)日:1992-10-07
Preparing a trisubstituted urea by reacting a nitroarene with carbon monoxide and a secondary amine in the presence of a Group VIII transition metal catalyst and optionally one or more promoters selected from primary amines, halide ion-containing compounds, chelating phosphorus and nitrogen compounds, water, hydrogen, compounds containing at least one active hydrogen atom and redox metals.
在第八族过渡
金属催化剂和一种或多种
促进剂(选自
伯胺、含卤离子化合物、螯合
磷和氮化合物、
水、氢、含有至少一个活泼氢原子的化合物和氧化还原
金属)存在下,使硝基炔与
一氧化碳和仲胺反应,制备三取代
脲。