Valence Isomerism between Sterically Protected Methylenephosphine P-Sulfide and 1, 2-Thiaphosphirane

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Author(s)

    • TOYOTA Kozo
    • Department of Chemistry, Graduate School of Science, Tohoku University
    • SHIMURA Kazuho
    • Department of Chemistry, Graduate School of Science, Tohoku University

Abstract

Reaction of (diphenylmethylene)(2,4,6-tri-<i>t</i>-butylphenyl)phosphine with elemental sulfur afforded 3,3-diphenyl-2-(2,4,6-tri-<i>t</i>-butylphenyl)-1,2-thiaphosphirane 2-sulfide via methylenephosphine <i>P</i>-sulfide. Desulfurization reaction of the thiaphosphirane 2-sulfide with tris(dimethylamino)phosphine gave 3,3-diphenyl-2-(2,4,6-tri-<i>t</i>-butylphenyl)-1,2-thiaphosphirane. Valence isomerization occurred between the methylenephosphine <i>P</i>-sulfide and the thiaphosphirane by heat or by photo-irradiation. The structures of the methylenephosphine, the methylenephosphine <i>P</i>-sulfide, and the thiaphosphirane were analyzed by X-ray crystallography.

Journal

  • Bulletin of the Chemical Society of Japan

    Bulletin of the Chemical Society of Japan 69(1), 141-145, 1996-01-15

    The Chemical Society of Japan

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Codes

  • NII Article ID (NAID)
    10008898522
  • NII NACSIS-CAT ID (NCID)
    AA00580132
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    00092673
  • Data Source
    CJP  J-STAGE 
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