Reversible zwitterionic liquids, the reaction of alkanol guanidines, alkanol amidines, and diamines with CO2

被引：158

作者：

Heldebrant, David J. ^{[1
]}

Koech, Phillip K. ^{[1
]}

Ang, M. Trisha C. ^{[2
]}

Liang, Chen ^{[2
]}

Rainbolt, James E. ^{[1
]}

Yonkera, Clement R. ^{[1
]}

Jessop, Philip G. ^{[2
]}

机构：

[1] Pacific NW Natl Lab, Richland, WA 99352 USA

[2] Queens Univ, Dept Chem, Kingston, ON K7L 3N6, Canada

来源：

GREEN CHEMISTRY | 2010年 / 12卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

CARBON-DIOXIDE; CONSTRUCTION; TEMPERATURE; ACTIVATION; SOLVENTS; RELEASE; DBU;

D O I：

10.1039/b924790d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Alkanolamidines, alkanolguanidines and diamines each react with CO2 to form reversible zwitterionic liquids. CO2 is chemically bound to the alcohol on alkanolamidines and alkanolguanidines as zwitterionic alkylcarbonates, while CO2 is chemically bound on diamines as zwitterionic carbamates. All three classes of zwitterionic liquids could be reverted to their non-ionic forms by thermally stripping the CO2 at temperatures near 50 degrees C, while one derivative was found to irreversibly form a cyclic carbonate.

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收藏

页码：713 / 721

页数：9

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