1,3,5-[(<i>t</i>Bu2MeSi)2Si]3C6H3: Isolable Si-centered Triradical with a High-spin Quartet Ground State

  • Takeshi Nozawa
    Department of Chemistry, Graduate School of Pure and Applied Sciences, University of Tsukuba
  • Masaaki Ichinohe
    Department of Chemistry, Graduate School of Pure and Applied Sciences, University of Tsukuba
  • Akira Sekiguchi
    Department of Chemistry, Graduate School of Pure and Applied Sciences, University of Tsukuba

抄録

<jats:title>Abstract</jats:title> <jats:p>Reductive deiodination of 1,3,5-tris[2,2-di-tert-butyl-1-(di-tert-butylmethylsilyl)-1-iodo-2-methyldisilanyl]benzene (1) with KC8 results in the formation of isolable Si-centered triradical 1,3,5-[(tBu2MeSi)2Si]3C6H3 (2), which was characterized by X-ray crystallography and electron paramagnetic resonance (EPR) spectroscopy. The quartet ground state for triradical 2 was established using EPR spectroscopy by Curie plots (5–60 K) for the characteristic Δm = 2 and Δm = 3 transitions.</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 44 (1), 56-57, 2014-10-15

    Oxford University Press (OUP)

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