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Metal-Ligand Cooperative C-H Bond Formation by Cyclopentadienone Platinum Complexes.
Higashi, Takuya; Ando, Hideaki; Kusumoto, Shuhei; Nozaki, Kyoko.
Afiliación
  • Higashi T; Department of Chemistry and Biotechnology, Graduate School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan.
  • Ando H; Department of Chemistry and Biotechnology, Graduate School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan.
  • Kusumoto S; Department of Chemistry and Biotechnology, Graduate School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan.
  • Nozaki K; Japan Science and Technology Agency (JST) , Precursory Research for Embryonic Science and Technology (PRESTO) , 4-1-8 Honcho , Kawaguchi 332-0012 , Japan.
J Am Chem Soc ; 141(6): 2247-2250, 2019 02 13.
Article en En | MEDLINE | ID: mdl-30702878
C-H bond cleavage and formation is one of the most essential elementary reactions in organic chemistry. Herein, a heterolytic sp3 C-H bond reductive elimination from hydroxyCp dimethylplatinum(IV) B is reported. Protonation of cyclopentadienone dimethylplatinum(II) A afforded B via the protonation of the ligand. Successive C-H bond formation from the C anion of the methyl group and the H cation of the hydroxyCp group was observed in the presence of carboxylic acids or hydrogen chloride. The reaction was accompanied by the concurrent reduction of Pt(IV) to Pt(II). Experimental and theoretical investigations suggested that the mechanism for the C-H bond formation was acid-mediated metal-ligand cooperative outer-sphere reductive elimination.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Am Chem Soc Año: 2019 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Am Chem Soc Año: 2019 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos