Transition metal complexes of the schiff base derivatives of the ligand 1,8-dihydroxy-3,6-dimethyl-2-acetylnaphthalene

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Abstract

New Schiff bases derived from 2-acetyl-1,8-dihydroxy-3,6-dimethylnaphthalene(H2addn) and 1,2-propanediamine(pn), 2,3-butanediamine(pn) and 1,2-cyclohexyldiamine(chn) have been prepared and characterized as (H4addn-diam). In this work is reported an improved experimental method which yields well characterized mononuclear species of H4addn-en and H4addn-pn with Cu(II), Ni(II) and Co(II). The Cu(II) complex has been studied by esr which unambigously shows a N2O2 coordination mode for the metal ion. Based on the spectral characteristics of these complexes we conclude that all metal atoms have the same coordination mode. Only one binulear complex, [NiUO2(addn-en)] is reported in this work. All attempts to synthesize binuclear complexes with first transition series metal ions were unsuccessful. © 1985.
Original languageEnglish
Pages (from-to)97-101
JournalPolyhedron
Volume4
Issue number1
DOIs
Publication statusPublished - 1 Jan 1985

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