Choline taurinate: a new biocompatible amino-functionalized ionic liquid as basic catalyst and extraction solvent

被引：11

作者：

Deng, Wenxiu ^{[1
]}

Liu, Lujie ^{[1
]}

Peng, Yanqing ^{[1
]}

机构：

[1] East China Univ Sci & Technol, Sch Pharm, Shanghai Key Lab Chem Biol, Shanghai, Peoples R China

来源：

GREEN PROCESSING AND SYNTHESIS | 2018年 / 7卷 / 03期

关键词：

catalysis; choline taurine; extraction; ionic liquids; recyclability; ONE-POT SYNTHESIS; CARBON-DIOXIDE CAPTURE; DERIVATIVES; EFFICIENT;

D O I：

10.1515/gps-2017-0009

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new biocompatible amino-functionalized ionic liquid composed solely of biomaterials was synthesized from taurine and choline hydroxide, and its physical properties (density, viscosity, miscibility and thermal stability) were also determined. The classic base-promoted three-component cyclic condensation of aromatic aldehydes, malononitrile and dimedone was chosen as the test reaction to demonstrate the catalytic activity of choline taurinate ([Ch][Tau]). The catalyst could be recovered and reused several times with no significant loss of activity. As a basic ionic liquid, [Ch][Tau] can extract acidic compounds from immiscible solvents through acid-base interaction. The extraction process of fluorescent dye Rhodamine B was monitored using ultraviolet-visible (UV-Vis) spectroscopy, by which the percentage extraction rate was determined as 95%.

引用

页码：191 / 197

页数：7

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