Heterobimetallic iridium–ruthenium assemblies through an ambidentate triazole-diylidene ligand: electrochemical properties and catalytic behavior in a cascade reaction
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Otros documentos de la autoría: Sabater López, Sara; Mata Martínez, Jose A; Peris, Eduardo
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http://dx.doi.org/10.1021/om300675p |
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Título
Heterobimetallic iridium–ruthenium assemblies through an ambidentate triazole-diylidene ligand: electrochemical properties and catalytic behavior in a cascade reactionFecha de publicación
2012Editor
American Chemical SocietyISSN
1520-6041; 0276-7333Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://pubs.acs.org/doi/pdf/10.1021/om300675pResumen
The preparation in high yield of a (p-cymene)-
RuII(triazolium-ylidene) complex allows the synthesis of an
heterobimetallic IrIII
−RuII complex with a triazole-diylidene
bridge. The same complex can also be prepared ... [+]
The preparation in high yield of a (p-cymene)-
RuII(triazolium-ylidene) complex allows the synthesis of an
heterobimetallic IrIII
−RuII complex with a triazole-diylidene
bridge. The same complex can also be prepared by starting
from the previously reported complex Cp*IrIII(triazoliumylidene). A full electrochemical study of the heterobimetallic
complex has been performed, and the results have been
compared with those for the related homobimetallic triazolediylidene bridged complexes of ruthenium and iridium, where
a weak metal−metal interaction (class II, according to the
Robin and Day classification) has been detected. The Ir−Ru complex and some other related (p-cymene)Ru(NHC) complexes
have been tested in a new tandem process, implying the chelation-assisted arylation of arylpyridines with 1-(4-
halophenyl)ethanol. The arylation is accompanied by the transformation of the alcohol into a ketone, in the presence of
acetone, through an Oppenauer oxidation process. [-]
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Organometallics, 2012, 31 (17)Derechos de acceso
© 2012 American Chemical Society
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