申请人:AMERICAN CYANAMID COMPANY
公开号:EP0088218A1
公开(公告)日:1983-09-14
A process for the production of tertiary alkyl isocyanates, such as tetramethylxylylene diisocyanates, is disclosed in which the corresponding tertiary alkyl halide is reacted with an alkali metal cyanate utilizing a zinc-pyridine complex as a catalyst which has been prereacted with the cyanate before reaction with the halide.
本发明公开了一种生产叔烷基异氰酸酯(如四甲基二异氰酸酯)的工艺,其中相应的叔烷基卤化物与碱金属氰酸盐反应时,使用锌吡啶络合物作为催化剂,该络合物在与卤化物反应之前已与氰酸盐发生预反应。