本发明公开了一种2-(N-4-甲基苄基)甲氧乙酰氨基异丁酸甲酯的合成方法,其特点是该方法将对甲基亚苄氨基乙酸甲酯与N,N-二甲基甲酰胺和四正丁基碘化铵混合,在常压下饱和二氧化碳后以恒电流电羧化反应,经酯化后提纯得2-(N-4-甲基苄基)甲氧乙酰氨基异丁酸甲酯。本发明与现有技术相比具有工艺简单,操作方 The invention discloses a method for synthesizing methyl 2- (N-4-methylbenzyl) methoxyacetylamino isobutyrate, which is characterized in that the method comprises the following steps: methyl methylbenzylideneacetate and N, N - dimethylformamide and tetra-n-butyl ammonium iodide mixed at atmospheric pressure after saturated carbon dioxide with a constant current carboxylation reaction, after the esterification and purification of 2- (N-4-methyl benzyl) A Methoxyacetamidomethyl isobutyrate. Compared with the prior art, the invention has the advantages of simple process and operator