STUDY OF CU-II BINUCLEAR COMPLEXES OF BINUCLEATING HEXADENTATE LIGANDS

Three types of tridentate binucleating Schiff base ligands have been s ynthesised by condensation of 5,5'-methylenebis-salicylaldehyde with a minoalcohols, aminoacids or aminoethylpyridine. These ligands have two sets of tridentate phenolate O-, azomethine N and O-, COO- or pyridyl nitrogen coordination sites. The binuclear Cu-II complexes of these l igands have been prepared and their spectral, magnetic and electrochem ical properties have been studied. On the basis of these experimental results long range spin exchange interaction between two copper centre s has been indicated. Copyright (C) 1996 Elsevier Science Ltd