Novel low viscous, green and amphiphilic N-oxides/phenylacetic acid based Deep Eutectic Solvents

被引：40

作者：

Germani, Raimondo ^{[1
,2
]}

Orlandini, Matteo ^{[1
]}

Tiecco, Matteo ^{[1
]}

Del Giacco, Tiziana ^{[1
,2
]}

机构：

[1] Univ Perugia, Dept Chem Biol & Biotechnol, Via Elce di Sotto 8-1, I-06123 Perugia, Italy

[2] Univ Perugia, CEMIN, Perugia, Italy

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2017年 / 240卷

关键词：

Deep Eutectic Solvents (DESs); N-oxide; Surfactants; Low viscous liquids; Green solvents; TEMPERATURE IONIC LIQUIDS; CHOLINE-CHLORIDE; CARBOXYLIC-ACIDS; BIODEGRADABILITY; SURFACTANTS; OXIDATION; TOXICITY; BEHAVIOR; POLARITY; MEDIA;

D O I：

10.1016/j.molliq.2017.05.084

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Four novel Deep Eutectic Solvents (DESs) were prepared by mixing phenylacetic acid (which is a natural molecule present in honey) with amine N-oxides, which are molecules easily biodegradable in nature. Three of these N-oxides are amphiphilic. The novel DESs have very low freezing points (from -34 degrees C to 20 degrees C) and they have very low viscosity, much lower than the most common and used DES in literature so far (choline chloride/urea mixture). The conductivity values resulted low and the ionicity analysis showed these DESs to be "super ionic". Their polarity resulted high enough and it can be compared with other commonly used solvents or ionic liquids. (C) 2017 Elsevier B.V. All rights reserved.

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页码：233 / 239

页数：7

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