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Highly efficient hydrogenation of carbon dioxide to formate catalyzed by iridium(iii) complexes of imine-diphosphine ligands.

ABSTRACT: A new iridium catalyst containing an imine-diphosphine ligand has been developed, which showed high efficiency for the hydrogenation of CO2 to formate (yield up to 99%, TON up to 450?000). A possible catalytic mechanism is proposed, in which the imine group of the catalyst plays a key role in the cleavage of H2 and the activation of CO2.

SUBMITTER: Liu C 

PROVIDER: S-EPMC5655897 | biostudies-other | 2015 May

REPOSITORIES: biostudies-other

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Highly efficient hydrogenation of carbon dioxide to formate catalyzed by iridium(iii) complexes of imine-diphosphine ligands.

Liu Chong C   Xie Jian-Hua JH   Tian Gui-Long GL   Li Wei W   Zhou Qi-Lin QL  

Chemical science 20150304 5

A new iridium catalyst containing an imine-diphosphine ligand has been developed, which showed high efficiency for the hydrogenation of CO<sub>2</sub> to formate (yield up to 99%, TON up to 450 000). A possible catalytic mechanism is proposed, in which the imine group of the catalyst plays a key role in the cleavage of H<sub>2</sub> and the activation of CO<sub>2</sub>. ...[more]