Reactivity of the [(η5-Cp)V(μ2-η6:η2-C10H8)Yb(THF)(μ2-η5:η5-Cp)] n complex

The interactions of the CpVC₁₀H₈Yb(THF)Cp complex with H₂O, CO, CO₂, Cr(CO)₆, CpTl, azobenzene, and other reagents are followed by the breaking of the bond between ytterbium and the naphthalene ligand. The reaction of CpVC₁₀H₈Yb(THF)Cp with H₂O leads to CpYbOH(THF)₂ and CpVC₁₀H₈ formation. Ytterbocene, CpVC₁₀H₈ and insoluble carboxylates are isolated as a result of the interaction of CpVC₁₀H₈Yb(THF)Cp with CO and CO₂. The reaction of CpVC₁₀H₈Yb(THF)Cp with an equimolar amount of Cr(CO)₆ proceeds not onlyvia the breaking of the C₁₀H₈–Yb bond, but is followed by the destruction of the CpVC₁₀H₈ fragment to form Cp₂Yb, Cp₂V, CpVC₁₀H₈, CpVC₁₀H₈VCp, and C₁₀H₈. Under mild conditions, the reaction of CpVC₁₀H₈Yb(THF)Cp with CpTl occurs leading to the formation of Cp₂Yb and CpVC₁₀H₈ in high yield. The diphenylhydrazine complex of ytterbium [CpYb(THF)]₂[Ph₂N₂]₂ is isolated in the reaction of CpVC₁₀H₈Yb(THF)Cp with azobenzene.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1470–1472, August, 1993.