Abstract
Abstract The title compounds have been prepared either by reacting (cod)(η3-2-MeC3H4)2Ru with the appropriate bisphosphine or Ru(Pr2iP(CH2)nPPr2i)Cl2 with allylmagnesium chloride. In contrast to the analogous iron compounds, the η3-allyl-Ru compounds react with 1,5-hexadiene to give (η5-1-hexadienyl)RuH complexes irrespective of the length of the methylene chain joining the two P atoms in the bidentate ligand. The η3-C3H5-containing compounds react more selectively than the η3-2-MeC3H4-containing compounds and the product of the reaction of the former with acetic acid has been shown by X-ray crystallography to be the ionic complex [Ru(Pr2iPC2H4PPr2i)2OAc]+OAc−.
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