1-甲基-3-乙酸基咪唑类酸性离子液体的制备及催化酯化的应用
Journal of Qingdao Agricultural University(Natural Science)（2008）
Abstract
以N-甲基咪唑、氯乙酸和浓硫酸为原料,合成了一种新型的含有[SO4H]ˉ的功能化酸性离子液体,其结构经红外光谱、核磁共振氢谱予以确证.以该酸性离子液体为催化剂研究了其催化合成乙酸乙酯的反应.结果表明,催化剂用量5%,反应温度80℃,反应时间2h时,产率可达到60.32%.离子液体循环使用3次,其催化活性基本保持不变.
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Key words
catalysis,esterification,chloroacetic acid,ionic liquid
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