GC-MS and ion cataclasm mechanism showed that the side products of the methoxycarbonylated reaction included TDC N-methylated products, N-methylated toluene mono-carbamate, TDA N-methylated products and urethanes.

• 通过气相色谱-质谱联用仪和质谱的碎裂机理定性出反应的副产物有TDC的N-甲基化产物、中间产物3-氨基-4-甲基苯基氨基甲酸酯的N-甲基化产物、聚脲和2,4-二氨基甲苯的N-甲基化产物等。