【摘要】 简要叙述了邻甲苯甲腈与对甲苯甲腈的性质和用途。综述了邻甲苯甲腈与对甲苯甲腈四大类合成路线 :甲基苯胺重氮化法 ,二甲苯氨氧化法 ,甲基苯甲酸氨化法和甲基苯甲醛肟化脱水法。各大类中又根据其它原料和方法的不同细分出几种方法 ,给出了具体的邻甲苯甲腈与对甲苯甲腈的合成步骤 ,并对其合成工艺的特点进行了分析更多还原

【Abstract】 The article briefly introdudces the characteristics and applications of o -and p -tolunitrile,the details of four main synthesis ways ,from diazotisation of toluidine,ammoxidation of xylene, amination of toluic acid and dehydration of tolualdoxime are reviewed.According to other different material of each synthesis way and method,several subsection methods are found out in particular.At the same time,it provides their concrete synthesis procedures of o -and p -tolunitrile,and expatiates their characteristics of each synthesis procedure.更多还原