Synthesis of 4-Hydroxy-6-methyl-[(1-phenylimino)ethyl]-2H-pyran-2-one Derivatives Catalyzed by Ionic Liquid [BMIM-HSO3]HSO4 under Ultrasound

被引：3

作者：

Li, Daqing ^{[1
]}

Zang, Hongjun ^{[1
]}

Wu, Changchun ^{[1
]}

Lu, Bo ^{[1
]}

Cheng, Bowen ^{[1
]}

机构：

[1] Tianjin Polytech Univ, State Key Lab Hollow Fiber Membrane Mat & Proc, Dept Environm & Chem Engn, Tianjin 300387, Peoples R China

来源：

CHINESE JOURNAL OF ORGANIC CHEMISTRY | 2012年 / 32卷 / 11期

关键词：

ionic liquid; ultrasound; dehydroacetic acid; amine;

D O I：

10.6023/cjoc201204020

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

4-Hydroxy-6-methyl-[(1-phenylimino)ethyl)]-2H-pyran-2-one derivatives have been synthesized via the reaction of dehydroacetic acid and amine in the presence of the ionic liquid [BMIM-HSO3]HSO4 under ultrasonic irradiation. The effect of catalyst, catalyst amount, reaction temperature and solvent on the yield was investigated. The optimum reaction condition was determined and the possible mechanism was proposed. This method has some distinct advantages such as short reaction time, high yields, environmental friendliness and mild reaction conditions. Moreover, the ionic liquid could be recovered conveniently and reused.

引用

页码：2193 / 2197

页数：5

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