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Synthesis of higher carboxylic acids from ethers, CO2 and H2

Author

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  • Ying Wang

    (Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences)

  • Qingli Qian

    (Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    Physical Science Laboratory, Huairou National Comprehensive Science Center, No. 5 Yanqi East Second Street)

  • Jingjing Zhang

    (Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences)

  • Bernard Baffour Asare Bediako

    (Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences)

  • Zhenpeng Wang

    (Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Huizhen Liu

    (Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences
    Physical Science Laboratory, Huairou National Comprehensive Science Center, No. 5 Yanqi East Second Street)

  • Buxing Han

    (Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences
    Physical Science Laboratory, Huairou National Comprehensive Science Center, No. 5 Yanqi East Second Street
    Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University)

Abstract

Synthesis of higher carboxylic acids using CO2 and H2 is of great importance, because CO2 is an attractive renewable C1 resource and H2 is a cheap and clean reductant. Herein we report a route to produce higher carboxylic acids via reaction of ethers with CO2 and H2. We show that the reaction can be efficiently catalyzed by an IrI4 catalyst with LiI as promoter at 170 °C, 5 MPa of CO2 and 2 MPa of H2. The catalytic system applies to various ether substrates. The mechanistic study indicates that the ethers are converted to olefins, which are further transformed into alkyl iodides. The higher carboxylic acids are produced by carbonylation of alkyl iodides with CO generated in situ via RWGS reaction. This report offers an alternative strategy of higher carboxylic acid synthesis and CO2 transformation.

Suggested Citation

  • Ying Wang & Qingli Qian & Jingjing Zhang & Bernard Baffour Asare Bediako & Zhenpeng Wang & Huizhen Liu & Buxing Han, 2019. "Synthesis of higher carboxylic acids from ethers, CO2 and H2," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13463-0
    DOI: 10.1038/s41467-019-13463-0
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