He Jun-ting
2013
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Journal
Applied Chemical Industry
Abstract
Using 3-methyl amino-2-acid ethyl ester and p-benzoquinone as raw materials,in dichloroethane,zinc chloride catalyst,HPLC tracking detection synthesis Mecarbinate.Using orthogonal design,the optimal process parameters:reaction time 1~2 h,reaction temperature 55 ℃,molar ratio of n(p-benzoquinone)∶ n(3-methyl amino-2-acid ethyl ester)=1∶ 1.19,n(p-benzoquinone)∶ n(zinc chloride)=1∶0.32.Under the optimum conditions the yield of 85%,and the purity of more than 98%,to reached the purpose of optimization.