Redox processes of ruthenium(II) polypyridine complexes induced by fast-atom bombardment mass spectrometry

AbstractFast-atom bombardment (FAB) mass spectrometry in the negative ionization mode enables the sputtering into the gas phase of the ruthenium complexes [Ru(2,2′-bipyridine[bpy])2(2,5-bis(pyrydil)pyrazine[dpp])](PF6)2; [Ru(bpy)2(2,3-dpp)](PF6)2; [Ru(bpy)2(2,3-dpp-Me)](PF6)3; and [Ru(bpy)2(μ-2,3-dpp)]2RuCl2)PF6)4 as intact radical anions. These data, combined with those available from the positive FAB spectra, allow a full characterization of the analytes