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Catalytic transformation of dinitrogen into ammonia and hydrazine by iron-dinitrogen complexes bearing pincer ligand

Author

Listed:
  • Shogo Kuriyama

    (School of Engineering, The University of Tokyo)

  • Kazuya Arashiba

    (School of Engineering, The University of Tokyo)

  • Kazunari Nakajima

    (School of Engineering, The University of Tokyo)

  • Yuki Matsuo

    (Institute for Materials Chemistry and Engineering and International Research Center for Molecular System, Kyushu University)

  • Hiromasa Tanaka

    (Institute for Materials Chemistry and Engineering and International Research Center for Molecular System, Kyushu University)

  • Kazuyuki Ishii

    (Institute of Industrial Science, The University of Tokyo)

  • Kazunari Yoshizawa

    (Institute for Materials Chemistry and Engineering and International Research Center for Molecular System, Kyushu University
    Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University)

  • Yoshiaki Nishibayashi

    (School of Engineering, The University of Tokyo)

Abstract

Synthesis and reactivity of iron-dinitrogen complexes have been extensively studied, because the iron atom plays an important role in the industrial and biological nitrogen fixation. As a result, iron-catalyzed reduction of molecular dinitrogen into ammonia has recently been achieved. Here we show that an iron-dinitrogen complex bearing an anionic PNP-pincer ligand works as an effective catalyst towards the catalytic nitrogen fixation, where a mixture of ammonia and hydrazine is produced. In the present reaction system, molecular dinitrogen is catalytically and directly converted into hydrazine by using transition metal-dinitrogen complexes as catalysts. Because hydrazine is considered as a key intermediate in the nitrogen fixation in nitrogenase, the findings described in this paper provide an opportunity to elucidate the reaction mechanism in nitrogenase.

Suggested Citation

  • Shogo Kuriyama & Kazuya Arashiba & Kazunari Nakajima & Yuki Matsuo & Hiromasa Tanaka & Kazuyuki Ishii & Kazunari Yoshizawa & Yoshiaki Nishibayashi, 2016. "Catalytic transformation of dinitrogen into ammonia and hydrazine by iron-dinitrogen complexes bearing pincer ligand," Nature Communications, Nature, vol. 7(1), pages 1-9, November.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12181
    DOI: 10.1038/ncomms12181
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