Gold-mediated insertion of oxygen into silicon-silicon bond: An original Au(I)/Au(III) redox sequence
| Autor: | Pauline Gualco, Abderrahmane Amgoune, Karinne Miqueu, Sonia Ladeira, Didier Bourissou |
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| Přispěvatelé: | Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD), Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux (IPREM), Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Pau et des Pays de l'Adour (UPPA) |
| Jazyk: | angličtina |
| Rok vydání: | 2012 |
| Předmět: |
Silylation
010405 organic chemistry Chemistry [CHIM.ORGA]Chemical Sciences/Organic chemistry Organic Chemistry chemistry.chemical_element Sequence (biology) Nuclear magnetic resonance spectroscopy [CHIM.CATA]Chemical Sciences/Catalysis Disiloxane 010402 general chemistry Photochemistry 01 natural sciences Oxidative addition Redox Oxygen 3. Good health 0104 chemical sciences Inorganic Chemistry [CHIM.THEO]Chemical Sciences/Theoretical and/or physical chemistry chemistry.chemical_compound [CHIM.POLY]Chemical Sciences/Polymers [CHIM.COOR]Chemical Sciences/Coordination chemistry Disilane Physical and Theoretical Chemistry |
| Zdroj: | Organometallics Organometallics, American Chemical Society, 2012, 31 (17), pp.6001-6004. ⟨10.1021/om3006905⟩ |
| ISSN: | 0276-7333 1520-6041 |
| Popis: | cited By 18; International audience; The diphosphine-disilane iPr 2(o-C 6H 4)SiMe 2SiMe 2(o-C 6H 4)PiPr 2 reacts with AuCl(SMe 2) via coordination of the two phosphines and oxidative addition of the σ-Si-Si bond. The ensuing bis(silyl) gold(III) complex has been unequivocally authenticated by NMR spectroscopy at -60 °C. Upon heating, it evolves cleanly to give a disiloxane gold(I) complex that has been fully characterized, including by X-ray diffraction analysis. Oxidation of the disilane proceeds via an original Au(I)/Au(III) redox sequence. According to 18O labeling experiments, both water and dioxygen are competent oxygen sources. Oxidative addition of the σ-Si-Si bond to form a bis(silyl) gold(III) complex seems to be a prerequisite for the disilane → disiloxane conversion to occur. © 2012 American Chemical Society. |
| Databáze: | OpenAIRE |
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