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Borinium Cations as σ-B−H Ligands in Osmium Complexes

AuthorsEsteruelas, Miguel A. ; Fernández-Álvarez, Francisco J. ; López, Ana M. ; Mora, Malka ; Oñate, Enrique
Issue Date2010
PublisherAmerican Chemical Society
CitationJournal of the American Chemical Society 132(16): 5600-5601 (2010)
AbstractThe complex OsH2Cl2(PiPr3)2 reacts with pinacolborane, Me2NH−BH3, and tBuNH2−BH3 to give the complexes OsH2Cl{η2-HBOC(CH3)2C(CH3)2OBpin}(PiPr3)2 and OsH2Cl(η2-HBNR1R2)(PiPr3)2 (R1 = R2 = Me; R1 = H, R2 = tBu) containing monosubstituted alkoxy- and amidoborinium cations coordinated as σ-B−H ligands. The process is proposed to take place via the electrophilic 14-valence-electron fragment OsHCl(PiPr3)2, which promotes hydride transfer from the corresponding borane to the osmium atom.
Identifiersdoi: 10.1021/JA101806X
issn: 0002-7863
e-issn: 1520-5126
Appears in Collections:(ICMA) Artículos
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