用环境友好催化剂合成乙酸环己酯的研究

阐述了以SO₂^-4 -TiO₂/Al₂O₃ 固体超强酸为催化剂, 以乙酸和环己醇为原料合成乙酸环己酯, 探讨了影响酯化反应的各种因素, 得出了酯化反应的最佳合成条件:催化剂的焙烧温度为500 ℃, n(乙酸)∶n(环己醇)为2.0 ∶1 , 催化剂质量为2 .0 g , 带水剂环己烷15 mL , 反应时间2 h 。在最佳合成条件下, 酯收率达到94 .1 %。

Cyclohexyl Acetate Synthesized by the Environmentally Benign Catalyst

Cyclohexyl acetate was synthesized from acetic acid and cyclohexyl alcohol in the presence of solid superacid catalyst SO2-4-TiO2/Al2O3.Factions of esterification reaction were stuelieel The optimal conditions of operation are as follows: the calanced temperatures of catalyst 500 ℃,n(acetic acid)∶n(cyclohexyl alcohol) 2.0∶1,the amounts of catalyst 2.0 g,cyclohane 15 mL,the reaction time 2 h.Under the optimal conditions of operation,]the ]yields ]of ]cyclohexyl ]acetate ] is ]up ]to 94.1%.