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Mononuclear ruthenium complexes containing two different phosphines in trans position: II Catalytic hydrogenation of C=C and C=O bonds (Articolo in rivista)
- Type
- Label
- Mononuclear ruthenium complexes containing two different phosphines in trans position: II Catalytic hydrogenation of C=C and C=O bonds (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.jorganchem.2006.11.036 (literal)
- Alternative label
Salvi, Luca; Salvini, Antonella; Micoli, Francesca; Bianchini, Claudio; Oberhauser, Werner (2007)
Mononuclear ruthenium complexes containing two different phosphines in trans position: II Catalytic hydrogenation of C=C and C=O bonds
in Journal of organometallic chemistry (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Salvi, Luca; Salvini, Antonella; Micoli, Francesca; Bianchini, Claudio; Oberhauser, Werner (literal)
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- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- ICCOM-CNR
Department of Organic Chemistry, University of Florence, 50019 Sesto Fiorentino, Italy (literal)
- Titolo
- Mononuclear ruthenium complexes containing two different phosphines in trans position: II Catalytic hydrogenation of C=C and C=O bonds (literal)
- Abstract
- Bis(acetate) ruthenium(II) complexes of the general formula Ru(CO)2(OAc)2(PnBu3)[P(p-XC6H4)3] (OAc = acetate, X = CH3O, CH3,
H, F or Cl), containing different phosphine ligands trans to PnBu3, have been employed as catalyst precursors for the hydrogenation of 1-
hexene, acetophenone, 2-butanone and benzylideneacetone. For comparative purposes, analogous reactions have been performed using
the homodiphosphine precursors Ru(CO)2(OAc)2(PnBu3)2 and Ru(CO)2(OAc)2(PPh3)2. The catalytic activity of the heterodiphosphine
complexes depends on the basicity of the triarylphosphine trans to PnBu3 as this factor controls, inter alia, the rate of formation of
hydride(acetate), Ru(CO)2(H)(OAc)(PnBu3)[P(p-XC6H4)3], or dihydride, Ru(CO)2(H)2(PnBu3)[(p-XC6H4)3], complexes, by hydrogenation
of the bis(OAc) precursors. The catalytic hydrogenation of the C@C double bond is best accomplished by homodiphosphine dihydride
catalysts, while heterodiphosphine monohydrides are more efficient catalysts than the homo- and heterodiphosphine dihydrides for
the reduction of the keto C@O bond. (literal)
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