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Formation of a Germylyne Complex: Dehydrogenation of a Hydrido(hydrogermylene)tungsten Complex with Mesityl Isocyanate

Authors

  • Dr. Hisako Hashimoto,

    Corresponding author
    1. Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578 (Japan)
    • Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578 (Japan)
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  • Tetsuya Fukuda,

    1. Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578 (Japan)
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  • Prof. Hiromi Tobita,

    Corresponding author
    1. Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578 (Japan)
    • Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578 (Japan)
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  • Dr. Mausumi Ray,

    1. Department of Molecular Engineering, Kyoto University, Kyoto 615-8510 (Japan)
    2. Present address: Department of Chemistry, Northwestern University, Evanston, IL 60208-3113 (USA)
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  • Prof. Shigeyoshi Sakaki

    1. Fukui Institute for Fundamental Chemistry, Kyoto University, Sakyo-ku, Kyoto 603-8103 (Japan)
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  • This work was supported by the Ministry of Education, Culture, Sports, Science and Technology Japan (Grants-in-Aid for Scientific Research Nos. 18064003, 20038002, 21550054, 22350024, 22000009, and 23105505).

Abstract

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The germylyne complex 2 was obtained by dehydrogenation of a hydrido (hydrogermylene) complex 1 with mesityl isocyanate on heating. A reaction intermediate 3 was also isolated by a room temperature reaction, which was converted into 2 by heating, with elimination of MesNHCHO. A possible mechanism for the formation of 2 was elucidated by kinetic studies and DFT calculations.

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