摘要:以稀性固体超强酸SO4^2-/TiO2-MoO3-La2O3为多相催化剂,对以乙酰乙酸乙酯和乙二醇为原料合成苹果酯的反应条件进行了研究。实验表明稀性固体超强酸SO4^2-/TiO2-MoO3-La2O3是合成苹果酯的良好催化剂,最佳反应条件为:n(乙酰乙酸乙酯):n(乙二醇)为1:1.5,催化剂用量为反应物料总质量的1.5%,环己烷为带水剂,反应时间1、0h,反应温度88℃~116℃,苹果酯收率达81.6%。
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