Syntheses and crystal structures of ruthenium and rhodium olefin complexes containing GaCp

Thomas Cadenbach, Christian Gemel, Timo Bollermann, Roland A. Fischer

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

22 Citas (Scopus)

Resumen

The reactivity of olefin containing complexes of the d8 metals Ru0 and Rh1 toward GaCp* and AlCp * is presented. [Ru(η4-butadiene)(PPh 3)3] reacts with GaCp* to give the substitution product [Ru(η-butadiene)(PPh3)2(GaCp *)] (1), which proved to be stable in the presence of GaCp * even under hydrogenolytic conditions. In contrast, the bis-styrene complex [Ru(PPh3)2(styrene)2] undergoes full substitution of the olefin ligands to give [Ru(PPh 3)2(GaCp*)3] (2), whereas reaction of [RU(η2, η2-COD)(η6-COT) ] (COD = 1,5-cyclooctadiene, C8H12, COT = 1,3,5-cyclooctatriene, C8H10) and GaCp* leads to [Ru(η22-COD)(GaCp*) 3] (3) under mild hydrogenolytic conditions. Analogously, the Rh 1 compounds [{Rh(η22-NBD)(PCy 3)2}{BArF}] (NBD = norbornadiene) and [{Rh(η22-COD)2}{BArF}] ({BArF}= B{[C6H3(CF3) 2]4) yield the complexes [{Rh(η2, η2-NBD)(PCy3)(GaCp*) 2}{BArF}] (4), [{Rh(η22- COD)(GaCp*)3}{BArF}] (5), and [{Rh(η22-COD)(AICp*) 3}{BArF]}] (6) upon reaction with the appropriate ECp * ligand (E = Al, Ga). All new complexes have been characterized by means of 1H and 13C NMR spectroscopy and elemental analysis, as well as X-ray single crystal structure analysis in the case of 1-5.

Idioma originalInglés
Páginas (desde-hasta)5021-5026
Número de páginas6
PublicaciónInorganic Chemistry
Volumen48
N.º11
DOI
EstadoPublicada - 1 jun. 2009
Publicado de forma externa

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