Improved preparative method for 1,2-diaryl-3,4-diphosphinidenecyclobutenes and its application to the studies of l,2-bis(arylthienyl)-3,4- diphosphinidenecyclobutenes

Kozo Toyota, Keiko Horikawa, Rader S. Jensen, Kouhei Omori, Subaru Kawasaki, Shigekazu Ito, Masaaki Yoshifuji, Noboru Morita

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    Sterically protected 1,2-diary1-3,4-diphosphinidenecyclobutenes were prepared from 3-ary1-2-bromo-1-(2,4,6-tri-t-butylphenyl)-3-(trimethylsiloxy)- l-phosphapropene using t-butyllithium and 1,2-dibromoethane, and the properties of the products, such as 1,2-di(2,2′-bithienyl-5-yl)-3,4- diphosphinidenecyclobutene, were studied. This method is an excellent method for preparing these compounds.

    Original languageEnglish
    Pages (from-to)1580-1586
    Number of pages7
    JournalBulletin of the Chemical Society of Japan
    Volume80
    Issue number8
    DOIs
    Publication statusPublished - 2007

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    Ethylene Dibromide
    butyllithium

    ASJC Scopus subject areas

    • Chemistry(all)

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    Improved preparative method for 1,2-diaryl-3,4-diphosphinidenecyclobutenes and its application to the studies of l,2-bis(arylthienyl)-3,4- diphosphinidenecyclobutenes. / Toyota, Kozo; Horikawa, Keiko; Jensen, Rader S.; Omori, Kouhei; Kawasaki, Subaru; Ito, Shigekazu; Yoshifuji, Masaaki; Morita, Noboru.

    In: Bulletin of the Chemical Society of Japan, Vol. 80, No. 8, 2007, p. 1580-1586.

    Research output: Contribution to journalArticle

    Toyota, Kozo ; Horikawa, Keiko ; Jensen, Rader S. ; Omori, Kouhei ; Kawasaki, Subaru ; Ito, Shigekazu ; Yoshifuji, Masaaki ; Morita, Noboru. / Improved preparative method for 1,2-diaryl-3,4-diphosphinidenecyclobutenes and its application to the studies of l,2-bis(arylthienyl)-3,4- diphosphinidenecyclobutenes. In: Bulletin of the Chemical Society of Japan. 2007 ; Vol. 80, No. 8. pp. 1580-1586.
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    abstract = "Sterically protected 1,2-diary1-3,4-diphosphinidenecyclobutenes were prepared from 3-ary1-2-bromo-1-(2,4,6-tri-t-butylphenyl)-3-(trimethylsiloxy)- l-phosphapropene using t-butyllithium and 1,2-dibromoethane, and the properties of the products, such as 1,2-di(2,2′-bithienyl-5-yl)-3,4- diphosphinidenecyclobutene, were studied. This method is an excellent method for preparing these compounds.",
    author = "Kozo Toyota and Keiko Horikawa and Jensen, {Rader S.} and Kouhei Omori and Subaru Kawasaki and Shigekazu Ito and Masaaki Yoshifuji and Noboru Morita",
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    AU - Toyota, Kozo

    AU - Horikawa, Keiko

    AU - Jensen, Rader S.

    AU - Omori, Kouhei

    AU - Kawasaki, Subaru

    AU - Ito, Shigekazu

    AU - Yoshifuji, Masaaki

    AU - Morita, Noboru

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