申请人:MONSANTO COMPANY
公开号:EP0084527A2
公开(公告)日:1983-07-27
Mixtures of N,N'-disubstituted paraphenylenediamines are produced in a process wherein a nitrogen-containing compound such as 4-nitrodiphenylamine is reductively alkylated with a plurality of ketones in sequence.
N,N'-二取代对苯二胺混合物的生产工艺是将含氮化合物(如 4-硝基二苯胺)与多个酮依次进行还原烷基化。