Catalytic Synthesis of Benzyl Acetate from Sodium Acetate and Benzyl Chloride in Room Temperature Ionic Liquid

Acta Chimica Sinica ›› 2002, Vol. 60 ›› Issue (9): 1571-1574. Previous Articles Next Articles

Original Articles

室温离子液体中乙酸钠和氯苄催化合成乙酸苄酯

顾彦龙;杨宏洲;邓友全

中国科学院兰州化学物理研究所绿色化学中心,兰州(730000)

发布日期:2002-09-15

Catalytic Synthesis of Benzyl Acetate from Sodium Acetate and Benzyl Chloride in Room Temperature Ionic Liquid

Gu Yanlong;Yang Hongzhou;Deng Youquan

Green Chemistry Center, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences,Lanzhou(730000)

Published:2002-09-15

Abstract

The synthesis of benzyl acetate by sodium acetate and benzyl chloride was investigated in various 1,3-dialkylimidazolium and alkylpyridium ionic liquids. 1-Alkyl-3-methylimidazolium tetrafluoroborate ([C_nMIm][BF_4]) ionic liquids were found to be an effective solvent and catalyst for the reaction. When the reaction was performed at 60 ℃, the molten sodium acetate was miscible with 1- ethyl-3-methylimidazolium tetrafluoroborate ionic liquid but the product benzyl acetate was not. Therefore, the products could be conveniently separated by decantation. The benzyl acetate yield was as high as 90% with >99% purity. The ionic liquid could be reused for several times and did not lose the catalytic activity.

Key words: GLYOXALINE P, PYRIDINE P, SODIUM ACETATE, CHLOROMETHYLBENZENE, benzyl acetate, CATALYTIC REACTION

CLC Number:

O643

Cite this article

Gu Yanlong;Yang Hongzhou;Deng Youquan. Catalytic Synthesis of Benzyl Acetate from Sodium Acetate and Benzyl Chloride in Room Temperature Ionic Liquid[J]. Acta Chimica Sinica, 2002, 60(9): 1571-1574.

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室温离子液体中乙酸钠和氯苄催化合成乙酸苄酯

Catalytic Synthesis of Benzyl Acetate from Sodium Acetate and Benzyl Chloride in Room Temperature Ionic Liquid

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