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Título

Diastereoselective synthesis of chiral octahedral iridium(III) phosphano-oxazoline complexes

AutorCarmona, Daniel ; Ferrer, Joaquina ; García, Néstor; Ramírez, Paola; Lahoz, Fernando J. ; García-Orduña, P. ; Oro, Luis A.
Fecha de publicación2013
EditorAmerican Chemical Society
CitaciónOrganometallics 32(6): 1595-1608 (2013)
ResumenReaction of the dimer [Ir(μ-Cl)(η2-coe)2] 2 (coe = cyclooctene) with chiral phosphano-oxazoline ligands (PN*) renders neutral mononuclear iridium(I) complexes of the formula [IrCl(η2-coe)(PN*)] (1, 2), which in turn are oxidized to the corresponding iridium(III) hydride species [IrCl2H(η 2-coe)(PN*)] (3, 4) by treatment with aqueous HCl. The latter react with diphosphanes (PP) in the presence of NaSbF6 to afford cationic complexes of stoichiometry [IrClH(PN*)(PP)][SbF6] (5-16). The fluorophenyldiphosphane-containing compounds [IrClH(PN*) (dfppe)][SbF6] (15, 16) evolve to the corresponding Ir(I) species [Ir(PN*)(dfppe)][SbF6] (17, 18) by HCl loss. The new compounds have been fully characterized by analytical and spectroscopic means, including the molecular structure determination of [IrCl2H(η2- coe)(PNInd)] (3), [IrClH(PNInd)(dppen)][SbF6] (6a,b), [IrClH(PNInd)(dppp)][SbF6] (7a), [IrClH(PNiPr)(dppp)][SbF 6] (13a), [IrClH(PNInd)(dfppe)][SbF6] (15), [Ir(PNInd)(dfppe)][SbF6] (17), and [Ir(PNiPr)(dfppe)][SbF 6] (18) by X-ray diffractometric methods. © 2013 American Chemical Society.
URIhttp://hdl.handle.net/10261/111164
DOI10.1021/om301088x
Identificadoresdoi: 10.1021/om301088x
issn: 0276-7333
e-issn: 1520-6041
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