The yield of O-alkylation of 2,5-dimethylphenol with the monohalogen carboxylic esters is above 81%.
二甲苯酚与一卤代羧酸酯的反应产率在81%以上。
2
Their phase transfer catalytic ability for the reaction of N-alkylation, O-alkylation and oxidation were also determined.
测定了其对氧烷基化反应、氮烷基化反应的相转移催化作用。
3
A brief introduction about the processing design of equipment for MEA are described. It used o-toluidine as raw material through ethylene alkylation to produce MEA.