Efficient and General Synthesis of Novel <i>β</i>-Polyfluoroalkoxy Vinamidinium Salts

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  • Koichiro Kase
    Department of Chemistry and Materials Technology, Kyoto Institute of TechnologyMatsugasaki, Sakyo-ku, Kyoto
  • Mitsuyoshi Katayama
    Department of Chemistry and Materials Technology, Kyoto Institute of TechnologyMatsugasaki, Sakyo-ku, Kyoto
  • Takashi Ishihara
    Department of Chemistry and Materials Technology, Kyoto Institute of TechnologyMatsugasaki, Sakyo-ku, Kyoto
  • Hiroki Yamanaka
    Department of Chemistry and Materials Technology, Kyoto Institute of TechnologyMatsugasaki, Sakyo-ku, Kyoto
  • John T Gupton
    Department of Chemistry, The University of North Carolina at AshevilleAsheville, North Carolina 28804-3299, U. S. A

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<jats:title>Abstract</jats:title> <jats:p>Novel β-polyfluoroalkoxy vinamidinium salts 3 and/or 4 were synthesized in good yields by the reaction of N-(2-polyfluoroalkoxy-3,3-difluoro-1-propenyl)trimethylammonium iodides (2), prepared from N-(2,3,3-trifluoro-1-propenyl)trimethylammonium iodide (1), with secondary amines in MeCN at 70 °C for 1 h. The salts were also obtainable in comparable yields by the one-pot reaction of 1 with sodium polyfluoroalkoxide followed by treatment with amines.</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 26 (9), 893-894, 1997-09-01

    Oxford University Press (OUP)

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