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2009年 第3卷 第2期

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《化学科学与工程前沿（英文）》 >> 2009年 第3卷 第2期 doi: 10.1007/s11705-009-0054-3

Ionic liquid mediated esterification of alcohol with acetic acid

Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510090, China

发布日期： 2009-06-05
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摘要

Highly efficient esterification of alcohols with acetic acid by using a Br?nsted acidic ionic liquid, i.e., 1-methyl-2-pyrrolidonium hydrogen sulfate ([Hnmp]HSO ), as catalyst has been realized. The turnover numbers (TON) were able to reach up to 11000 and turnover frequency (TOF) was 846. The catalytic system is suitable for the esterification of long chain aliphatic alcohols, benzyl alcohol and cyclohexanol with good yields of esters. The procedure of separating the product and catalyst is simple, and the catalyst could be reused. [Hnmp]HSO had much weaker corrosiveness than H SO . The corrosive rate of H SO was 400 times more than that of [Hnmp]HSO to stainless steel.

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