硫酸铁催化合成乙酸异戊酯

Synthesis of Isoamyl Acetate Catalyzed by Ferric Sulfate

以乙酸和异戊醇为原料,采用硫酸铁作催化剂来合成乙酸异戊酯.考察了乙酸与异戊醇的物质的量比、催化剂用量及反应时间对乙酸酯化率的影响.结果表明:硫酸铁对合成乙酸异戊酯具有良好的催化活性,酯化反应的最佳条件为:酸醇物质的量比为1:1.3(乙酸用量为0.1mol),催化剂用量为0.9 g,回流反应1 h,酯化率可达96.69%.

Acetate is synthesized with isoamyl alcohol to produce isoamyl acetate with ferric sulfate as catalyst.The affects of molar ratio of acetic acid to iso-amyl alcohol,catalyst amount and reaction time of the reaction are investigated.The experiment results show ferric sulfate is a good catalyst for synthesizing isoamyl acetate.The optimal conditions are found as follows：molar ratio of acetic acid to iso-amyl alcohol is 1：1.3（amount of acetic acid is 0.1mol）,the weight of catalyst is 0.9g,the deaquation reagent is cyclohexane and reaction time is 1h,the yield of the ethyl oleate can be up to 96.69%.