GorDan T. Reeves1, Anthony W. Addison1, Vitaly V. Pavlishchuk2, and Matthias Zeller3. (1) Drexel University, Philadelphia, PA, (2) Institute of Physical Chemistry, Kiev, Ukraine, (3) Youngstown State University, Youngstown, OH
The new ligand, o-phenylene-bis[2-(2'-pyridyl)]ethylamine (Ppea), was synthesized via the reaction of 2-vinylpyidine and o-phenylenediamine. Nickel(II) and zinc(II) complexes with Ppea were prepared and characterized via elemental and spectroscopic analysis. Ruthenium(II) complexes of the formula [Ru(L1)L2]2+ have been prepared via the reaction of the dinuclear [Ru2(L1)2(μ-Cl)2]2+ complex and a bidentate diimine ligand, with L1 being 1,8-bis(2'-pyridyl)-3,6-diazaoctane (Bpdo) or N,N'-bis[2-(2'-pyridyl)ethyl'-N,N'-dimethylethylenediamine (Dmbpdo), tetradentate N4 donor systems, and L2 being the diimine. These complexes are compared to their dithioether analogues in terms of their redox thermodynamics and spectroscopic properties.
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