Reactivity of germylmercurate complexes

Article abstract of DOI:10.1016/S0022-328X(00)99406-3

The selective insertion of sulfur into the Ge-Hg bond in the ionic complex <<(C6F5)3Ge>3Hg>^-Cp2CO⁺ results in the formation of mono-, di- and trithiolate derivatives.The compounds have been characterized by elementary analysis, IR, 19F and 199Hg NMR spectroscopy.The molecular structure of 3>^--Cp2Co⁺ has been determined by X-ray analysis.Sulfur-containing complexes are donors of chalcogen atoms in the reactions with covalent and ionic polynuclear organometallic compounds.Ytterbium dicyclopentadienide and vanadocene displace cobaltocene from <<(C6F5)3Ge>2HgI>^-Cp2Co⁺, and Cp2Co removes thallium from its germylmercurate complex.A general scheme for the reaction of vanadocene with cobalticinium germylmercurate has been proposed.The zerovalent triphenylphosphine complex of platinum Pt(PPh3)4 destroys the ionic structure of <<(C6F5)3Ge>2HgI>^-(C6H6)2Cr⁺ to give dibenzenechromium iodide and a polinuclear compound with Ge-Hg-Pt-Ge chain.