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Bis(metallaethynyl) Ketones: Synthesis and Structure of {(Ph₃P)AuC≡C}₂CO and Attempted Transmetalation: Formation and Structure of [1,3-{Ru(dppe)Cp}₂{c-COC(OMe)CHCCH}]PF₆

Abstract
The bis(metallaethynyl) ketone {(Ph₃P)AuC≡C}₂CO (1), obtained from (Me₃SiC≡C)₂CO, AuCl(PPh₃), and NaOMe, forms an Au•••Au-bonded dimer in the solid state (Au•••Au = 2.9825(3) Å). The ES-MS contains ions [2M + X]⁺ (X = Na, K, Au), but the lack of the ion [2M]⁺ and NMR evidence suggest that the dimeric structure is not preserved in solution. Compound 1 reacts with RuCl(dppe)Cp to afford the unusual dimetal-substituted pyrylium complex [1,3-{Ru(dppe)Cp}₂{c-COC(OMe)CHCCH}]PF₆ (2). The molecular structure of 2 is also reported, together with a proposed route for its formation.
Type
Journal Article
Type of thesis
Series
Citation
Nicholson, B.K., Clark, C.J., Wright, C.E., Telfers, S.G. & Groutso, T. (2011). New Sb₁₂ and Sb₁₄ Polyoxometalate Frameworks Derived from Arylstibonic Acids: [LiH₃(p-MeC₆H₄Sb)₁₂O₂₈]⁴⁻ and [BaH₁₀(p-MeC₆H₄Sb)₁₄O₃₄]. Organometallics, 30(24), 6612-6616.
Date
2011
Publisher
American Chemistry Society
Degree
Supervisors
Rights