It is pointed out that preparation of 2,5-TDAs starting from o-toluidine(OT)through diazo-coupling of OT and reductive hydrogenative cleavage of OT azo compound is ...

• 结果表明,以邻甲苯胺为原料经重氮偶合、还原氢解是合成2,5-二氨基甲苯及其系列产品优先的技术路线。同时提出了高质量、低成本、清洁化发展该系列产品的研究方向和内容建议。