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Ionic Liquids Catalysis for Carbon Dioxide Conversion With Nucleophiles.


ABSTRACT: Carbon dioxide, as a promising C1 synthon, has attracted great interest in organic synthesis. Due to the thermodynamic stability and kinetic inertness of CO2, developing efficient strategies for CO2 activation and subsequent conversion is very crucial. In this context, Ionic liquids (ILs) show great potential for capturing and activating CO2 owing to their unique structures and properties, making them become ideal alternatives to volatile organic solvents and/or catalysts for CO2 transformation. This minireview aims at summarizing ILs-promoted reactions of CO2 with N-nucleophiles (primary amines)/O-nucleophiles (primary alcohols, water). Two catalytic systems i.e., metal/ILs binary systems such as Cu/ILs systems and Ag/ILs systems as well as single ILs systems including anion-functionalized ILs and bifunctionalized ILs have been developed for CO2 catalytic conversion, for instance, carboxylative cyclization of nucleophiles e.g., propargylic alcohols, amines, 2-aminobenzonitriles and o-aminobenzenethiol, and formylation of amines or 2-aminothiophenols with hydrosilanes to afford various value-added chemicals e.g., cyclic carbamates, unsymmetrical organic carbonates, ?-hydroxyl ketones, and benzimidazolones. In a word, IL could provide a powerful tool for efficient CO2 utilization.

SUBMITTER: Xia SM 

PROVIDER: S-EPMC6186839 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Ionic Liquids Catalysis for Carbon Dioxide Conversion With Nucleophiles.

Xia Shu-Mei SM   Chen Kai-Hong KH   Fu Hong-Chen HC   He Liang-Nian LN  

Frontiers in chemistry 20181008


Carbon dioxide, as a promising C<sub>1</sub> synthon, has attracted great interest in organic synthesis. Due to the thermodynamic stability and kinetic inertness of CO<sub>2</sub>, developing efficient strategies for CO<sub>2</sub> activation and subsequent conversion is very crucial. In this context, Ionic liquids (ILs) show great potential for capturing and activating CO<sub>2</sub> owing to their unique structures and properties, making them become ideal alternatives to volatile organic solve  ...[more]

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