申请人:E. I. Du Pont de Nemours and Company
公开号:US04098831A1
公开(公告)日:1978-07-04
In the hypohalite halogenation in a two phase aqueous/organic solvent medium of a mono- or dichloro- or bromo-methylnitrobenzene to a corresponding trihalomethylnitrobenzene, the improvement wherein the reaction is conducted in the presence of a phase transfer catalyst or where the organic phase is a C.sub.4 to C.sub.8 alkanol.
在一个两相水/有机溶剂介质中,将单氯或二氯或溴甲基硝基苯氨基化为相应的三卤甲基硝基苯时,改进在于在存在相转移催化剂的情况下进行反应,或者有机相为C.sub.4到C.sub.8烷醇。