Abstract
Two dimethyleneamine-bridged octamethylated and non-methylated biferrocenyl complexes, compounds 1 and 2, have been synthesized and characterized by 1H, 29Si{1H} and 13C{1H} NMR spectroscopy, and mass spectrometry. The redox activity of the ferrocenyl centers in 1 and 2 has been characterized by cyclic voltammetry in dichloromethane containing [n-Bu4N][PF6], [n-Bu4N][B(C6F5)4] or [n-Bu4N]Cl as electrolyte support. Their electrochemistry is not only strongly dependent on the solvent/electrolyte medium but also on the substituents of the ferrocenyl moieties. Studies of the electrochemical oxidation of 1 provide evidence of the grafting of a ferrocene species onto platinum electrode surfaces.
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