稀土畦体超强酸催化合成苯乙酸甲酯

THE CATALYTIC SYNTHESIS OF METHYL PHENYLACETATE BY SO_4~(2-)/TIO_2/La_3~+ RARE-EARTH SOLID SUPERACID

摘要: 本文以稀土固体超强酸SO4^2-/TiO2/La^3 为催化剂，苯乙酸和甲醇为原料合成了苯乙酸甲酯，考察了影响反应的因素。结果表明，醇酸比为3：1，催化剂用量为10g/mol苯乙酸，反应时间为3h为最佳反应条件，酯化率为89．1％。

Abstract: The synthesis of methyl phenylacetate with methanol and phenylacetic a cid as reactants and SO 2- 4/TiO 2/La 3 + rare-earth solid superacid as catalyst had been studied. The influence factors of the reaction were investigated. The resul ts show