硫酸高铈改性离子交换树脂催化合成异戊酸丁酯  

Synthesis of Butyl Isovalerate Catalyzed by Modified Strong Acid Cation Ion Exchange Resin by Cerium Sulfate

作　　者：张霞[1] 李继红 

机构地区：[1]郑州轻工业学院继续教育学院,河南郑州450002 [2]河南省医药学校,河南开封475001

出　　处：《河北化工》2011年第3期57-58,共2页Hebei Chemical Industry

基　　金：河南省科技厅2009年科技发展计划项目(课题编号092102210171);河南省教育厅自然科学研究计划项目(课题编号2008A150002)

摘　　要：采用硫酸高铈与阳离子交换树脂反应制备的改性离子交换树脂催化合成了异戊酸丁酯。考察了催化剂用量、醇酸物质的量比、反应时间及带水剂等因素对收率的影响。适宜反应条件:异戊酸用量为0.2 mol,醇酸物质的量比为1.6,催化剂用量为2.0 g,反应时间为60 min,苯用量为5 mL,收率可达91.3%。Butyl isovalerate was synthesized by using modified strong acid cation ion exchange resin by cerium sulfate as the catalyst.Factors influencing the yield were discussed and the best conditions were found.Experimental result showed that when the amount of isovaleric acid was 0.2 mol,molar ratio of alcohol to acid was 1.6,the mount of catalyst was 2.0 g and reaction time was 60 min,the amount of benzene was 5 mL,the yield was 91.3%.

关 键 词：硫酸高铈改性离子交换树脂 异戊酸丁酯 催化 合成 

分 类 号：O623.624[理学—有机化学]