Synthesis and catalytic properties of cationic palladium(II) and rhodium(I) complexes bearing diphosphinidinecyclobutene ligands

Rader S. Jensen, Kazutoshi Umeda, Masaaki Okazaki, Fumiyuki Ozawa*, Masaaki Yoshifuji

*この研究の対応する著者

    研究成果: Article › 査読

    22 被引用数 (Scopus)

    抄録

    Cationic palladium(II) and rhodium(I) complexes bearing 1,2-diaryl-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene ligands (DPCB-Y) were prepared and their structures and catalytic activity were examined (aryl = phenyl (DPCB), 4-methoxyphenyl (DPCB-OMe), 4-(trifluoromethyl)phenyl (DPCB-CF3)). The palladium complexes [Pd(MeCN)2(DPCB-Y)]X2 (X = OTf, BF4, BAr4 (Ar = 3,5-bis(trifluoromethyl)phenyl)) were prepared by the reactions of DPCB-Y with [Pd(MeCN)4]X2, which were generated from Pd(OAc)2 and HX in MeCN. On the other hand, the rhodium complexes [Rh(MeCN)2(DPCB-Y)]OTf were prepared by the treatment of [Rh(μ-Cl)(cyclooctene)2]2 with DPCB-Y in CH2Cl2, followed by treatment with AgOTf in the presence of MeCN. The cationic complexes catalyzed conjugate addition of benzyl carbamate to α,β-unsaturated ketones.

    本文言語English
    ページ（範囲）286-294
    ページ数9
    ジャーナルJournal of Organometallic Chemistry
    巻692
    号1-3
    DOI
    出版ステータスPublished - 2007 1月 1

    ASJC Scopus subject areas

    • 化学工学（その他）
    • 材料科学（その他）
    • 材料化学
    • 物理化学および理論化学
    • 有機化学
    • 無機化学
    • 生化学

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