One-pot synthesis of tetrahydrobenzo[b]pyran derivatives in aqueous solution catalyzed by [DHC3dabco][BF4] under ultrasonic assistance

被引：0

作者：

Wang, Dong-Hui ^{[1
]}

Liu, Shuo ^{[2
]}

Hou, Hai-Liang ^{[2
]}

Zheng, Feng-Ping ^{[3
]}

Wang, Han-Qing ^{[1
]}

Ying, An-Guo ^{[1
]}

Li, Gui-Qin ^{[4
]}

机构：

[1] School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou,318000, China

[2] School of Chemical Engineering and Technology, Tianjin University, Tianjin,300072, China

[3] Zhejiang Jianye Organic Chemical Co. Ltd, Hangzhou,311604, China

[4] Jiangxi Renming Pharmaceutical Co. Ltd., Jiujiang,332700, China

来源：

Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities | 2015年 / 29卷 / 01期

关键词：

Active methylene compounds - Basic ionic liquid - DABCO - Reaction performance - Synthesis process - Tetrahydrobenzo[b]pyran - Ultrasonic assistance - Water phase;

D O I：

10.3969/j.issn.1003-9015.2015.01.018

中图分类号：

学科分类号：

摘要：

A basic ionic liquid [DHC3dabco][BF4] based on DABCO was synthesized and used for the preparation of tetrahydrobenzo[b]pyran derivatives. This ionic liquid was used as a catalyst, and aldehydes, malononitrile and 5,5-dimethyl-1,3-cyclohexanedione were used as raw materials. The reaction was performed in aqueous solution under ultrasonic assistance at room temperature. The synthesis process is a mild, simple, time-efficient one with high yield. Based on the simple active methylene compounds, the reaction performance of other active methylene compounds was also discussed. ©, 2015, Zhejiang University. All right reserved.

引用

页码：122 / 127

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