还原产物与过量的溴乙酸甲酯（摩尔比1：6）在氮气环境下反应，反应温度91℃，产物用柱色谱分离后用95%乙醇重结晶；
The amine product was with superfluous methyl bromoacetate ( 1:6 ) in aqueous acetonitrile The product was puried by column chromatography and recrystallized from aqueous ethanol .
溴乙酸甲酯