【摘要】 １前言对酯化反应所用催化剂，一般使用强酸，如浓硫酸、浓盐酸等。另外，许多Ｌｅｗｉｓ酸，如三氟化硼、三氯化铝、氯化锌和硅胶等也能促进羰酸提供质子［１］。近年来的研究发现，强酸型阳离子交换树脂亦可用于催化某些酯化过程［２］。Ｌ－苯丙氨酸的甲酯化反应，传统...更多还原

【Abstract】 The catalytic activity of strong acid type ion exchange resin in esterification of L phenylalanine by methanol was investigated.An optimum technological condition was found as follows, under methanol/L phenylalanine mole ratio 1∶1,catalyst amount 45g/L,temperature 80～85℃ and reaction time 8h.Compared with traditional technology it was an ideal method for producting L phenylalanine methyl ester because of its good yield,low cost and simplicity of operation.更多还原