Formation of a Ruthenium(II) Dicyclohexyl(η2-cyclohex-3-enyl)phosphine Hydride Complex from an Alkylidene Precursor
Organometallics2010Vol. 29(8), pp. 1981–1984
Citations Over TimeTop 23% of 2010 papers
Abstract
Treatment of Ru(═CHPh)Cl2(PCy3)2 (Cy = cyclohexyl) with K[N(i-Pr2PS)2] afforded a mixture of Ru(═CHPh)[N(i-Pr2PS)2](PCy3)Cl (1) and Ru(═CHPh)[N(i-Pr2PS)2]2 (2). Reaction of 1 with TlOPh gave Ru(═CHPh)[N(i-Pr2PS)2](PCy3)(OPh) (3), whereas that with NaOMe yielded the Ru(II) hydride compound Ru(H)[N(i-Pr2PS)2][PCy2(η2-C6H9)] (4), in which the dicyclohexyl(cyclohex-3-enyl)phosphine ligand binds to Ru via the phosphorus atom and the C═C bond of the cyclohex-3-enyl ring. The structures of complexes 3 and 4 have been established by X-ray crystallography.
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