Process for preparing derivatives of isopropenyl-&agr;, &agr;-dimethylbenzyl isocyanate
申请人:Cytec Technology Corp.
公开号:US06630599B1
公开(公告)日:2003-10-07
A process for preparing blocked derivatives of m- or p- isopropenyl-&agr;,&agr;-dimethylbenzyl isocyanates, comprising reacting a meta- or a para-isopropenyl-&agr;,&agr;-dimethylbenzyl carbamate ester with hydroxy functional blocking group, such as hydroxyethylene-ethyleneurea, hydroxyethylenepropylene urea, dialkylaminoethanol and dialkylamino propanol
一种制备m-或p-异丙烯基-&agr;,&agr;-二甲基苯甲基异氰酸酯的阻化衍生物的方法,包括将甲基或对位异丙烯基-&agr;,&agr;-二甲基苯甲基氨基甲酸酯与羟基功能阻化基团反应,例如羟基乙烯-乙烯脲、羟基乙烯丙烯脲、二烷基氨基乙醇和二烷基氨基丙醇。