采用邻二甲苯和一氧化碳为原料、无水三氯化铝为催化剂，对3，5-二甲基苯甲醛的羰基化合成反应进行了研究。
A new method related to the carbonylating synthesis of 3,5-dimethylbenzaldehyde was studied using o-xylene and CO as the raw materials and anhydrous AlCl3 as the catalyst.
由邻甲苯胺和甲醛水溶液反应合成得到了高纯度的3，3 -二甲基-4，4 -二氨基二苯甲烷（MDT），并对其性能进行了表征。
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
由邻甲苯胺和甲醛水溶液反应合成得到了高纯度的3，3 -二甲基-4，4 -二氨基二苯甲烷（MDT），并对其性能进行了表征。
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
应用推荐