Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 16, Pages 5600-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja101806x
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- Spanish MICINN [CTQ2008-00810, CSD2007-00006, FR2009-0024]
- Diputacion General de Aragon [E35]
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The complex OsH(2)Cl(2)(P(i)Pr(3))(2) reacts with pinacolborane, Me(2)NH-BH(3), and (t)BuNH(2)-BH(3) to give the complexes OsH(2)Cl{eta(2)-HBOC(CH(3))(2)C(CH(3))(2)OBpin}(P(i)Pr(3))(2) and OsH(2)Cl(eta(2)-HBNR(1)R(2))(P(i)Pr(3))(2) (R(1) = R(2) = Me; R(1) = H, R(2) = (t)Bu) containing monosubstituted alkoxy- and amidoborinium cations coordinated as sigma-B-H ligands. The process is proposed to take place via the electrophilic 14-valence-electron fragment OsHCl(P(i)Pr(3))(2), which promotes hydride transfer from the corresponding borane to the osmium atom.
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