Highly efficient CO2 fixation into cyclic carbonate by hydroxyl-functionalized protic ionic liquids at atmospheric pressure

被引：57

作者：

Li, Cheng ^{[1
]}

Liu, Fei ^{[1
]}

Zhao, Tianxiang ^{[1
]}

Gu, Jiarui ^{[1
]}

Chen, Peng ^{[1
]}

Chen, Teng ^{[2
]}

机构：

[1] Guizhou Univ, Sch Chem & Chem Engn, Key Lab Green Chem & Clean Energy Technol, Guiyang 550025, Peoples R China

[2] Air Force Logist Coll, Xuzhou 221000, Jiangsu, Peoples R China

来源：

MOLECULAR CATALYSIS | 2021年 / 511卷

关键词：

CO2; Protic ionic liquids; Cyclic carbonate; Hydroxyl-functionalized; Hydrogen bonding; CATALYTIC-SYSTEM; HYDROGEN-BOND; BIFUNCTIONAL CATALYSTS; CHEMICAL FIXATION; PHOSPHONIUM SALTS; DIOXIDE; CYCLOADDITION; CONVERSION; EPOXIDES; MILD;

D O I：

10.1016/j.mcat.2021.111756

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：

We report an efficient strategy for CO2 fixation into cyclic carbonates catalyzed by hydroxyl-functionalized protic ionic liquids (PILs) without any solvent and additive. Excellent yields of cyclic carbonates are obtained for the varied substrates under mild conditions (1 bar and 60 degrees C). Mechanism studies have shown that hydroxyl pro-moted the activation of epoxide molecules through hydrogen bonding interaction, so that CO2 can be easily converted into the desired product of cyclic carbonates. In addition, the hydroxyl-functionalized PILs can also be recycled repeatedly. This hydroxyl-functionalized PILs-catalyzed process is proved to be a promising scheme for the chemical conversion of CO2.

引用

页数：6

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