Coordination studies of 1,2-bis(diphenylphosphino)ethane with di-μ-hydroxo dinuclear complexes of tungsten(IV) and molybdenum(IV)
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Abstract
The new trifluoroethoxo phosphine complexes [Cp2M(η1-dppe)(CF3CH2O)]+ and [Cp2(CF3CH2O)M(μ-dppe)MCp2(CF3CH2O)]2+ ( M = Mo or W, Cp = η-C5H5 and dppe = Ph2PCH2CH2PPh2) have been prepared by reaction of cationic di-μ-hydroxo dinuclear complex of molybdenocene or tungstenocene [Cp2M(μ-OH)2MCp2]2+ with dppe. It was ascertained that the amount of dppe added to the reaction mixture could influence the product distribution. A mechanism involving initial replacement of the hydroxo ligand by the alkoxo group followed by nucleophilic attack of the phosphine is proposed on the basis of the reaction profile.
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[1]
M. Minato, T. Ito, and J.-G. Ren, “Coordination studies of 1,2-bis(diphenylphosphino)ethane with di-μ-hydroxo dinuclear complexes of tungsten(IV) and molybdenum(IV)”, J. Serb. Chem. Soc., vol. 81, no. 1, pp. 47–55, Feb. 2016.
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Inorganic Chemistry
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