Abstract
A number of mono and binuclear complexes of Ru(II), Ru(III), Pd(II) and Cu(II)with Schiff base ligands N,N′-bis(benzoylacetylacetone) ethylenediamine (H 4(BAA) 2en) and N,N′-bis(pyvolylacetylacetone)ethylenediamine (H 4(PAA) 2en) have been synthesized and characterized by elemental analysis, magnetic properties, absorption and vibrational spectra. The complexes [Ru(H 2(BAA) 2en)(PPh 3) 2]- [Ru(H 2(BAA) 2en)(PPh 3)Cl] and [Ru(H 2(PAA) 2en)- Cl·H 2O]·H 2O all have an octahedral environment around the metal ions, Schiff bases behaving as tetradentate N 2O 2 donors and two ambidentate ligands occupying trans positions. The two binuclear species, [Pd 2(BAA) 2en] and [PdCu(BAA) 2en] have a square planar arrangement of ligands around the metal ions.
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