The novel azoimine ligand α-acetyl-α-phenylazo-4-chlorophenylazomethine (L) was prepared and characterized. Its coordination chemistry to Ru(II) was investigated by the preparation and characterization of the complex trans-[Ru(bpy)LCl2] where bpy is 2,2′-bipyridine. A crystal structure of this complex showed that L is a bidentate ligand and coordinates to Ru(II) by azo-and imine-nitrogen donor atoms. Cyclic voltammetry and spectroelectrochemistry were performed on this complex and the visible region absorption bands assigned. L is shown to be a strong π-acid ligand.

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Keywords Azoimines, Bipyridine, Ruthenium complexes, Spectroelectrochemistry
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Journal Inorganica Chimica Acta
Al-Noaimi, M.Z. (Mousa Z.), Abdel-Jalil, R.J. (Raid J.), Haddad, S.F. (Salim F.), Al-Far, R.H. (Rawhi H.), & Crutchley, R. (2006). Ruthenium(II) complex of the novel azoimine ligand, α-acetyl-α-phenylazo-4-chlorophenylazomethine. Inorganica Chimica Acta, 359(8), 2395–2399. doi:10.1016/j.ica.2006.02.045