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Abstract
The cobalt(II)-, nickel(II)- and copper(II)-complexes of diethyl-(2-oxo-1-phenylethyl)phosphonate 1 (2, 3, and 4, respectively) are synthesized using the corresponding metal acetates. Their structure is studied by spectroscopic (IR, electronic and EPR) and magnetochemical methods. The experimental data indicate that the cobalt and nickel complexes 2 and 3 are octahedrically coordinated by the bidentate phosphonyl and acetate ligands. EPR evidences of the formation of two different Cu(II) complex species in solution are also obtained.