硅胶载体酸催化下乙酸异戊酯的合成

Synthesis of i-amyl acetate using carrier acid as catalyst

以乙酸和异戊醇为原料 ,采用硅胶载体酸为催化剂合成乙酸异戊酯。当醇酸物质量比为 1∶ 2 ,催化剂用量为酸醇总量的 5 .5 % ,反应温度为 1 30～ 1 35℃ ,反应时间为 2 h左右时 ,乙酸异戊酯的产率可达到 93.8%。

The synthesis of i amyl acetate from i amylic alcohol and acetic acid using silica gel carrier acid as catalyst is reported. The yield can be over 93%,when the molar ratio of i amlylic alcohol and acetic acid is equal to 1∶2,the quantity of the catalyst is equal to 5.5% reactants mass,reaction temperature is 130～150℃ and reaction time is about 2 hours.