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Thermally stable oligomer—Metal complexes based on oligo-ortho-aminophenol and oligophenylazomethinephenol

H. Mart, M. C. Koç, V. Muradoğlu, and H. Yürük

Department of Chemistry, Faculty of Science and Arts, Niğde University, 51100 Niğde, Turkey



Received: 23 January 2006  Revised: 16 March 2006  Accepted: 22 March 2006

Abstract: The oligo-ortho-aminophenol was synthesized by the oxidative polycondensation of ortho-aminophenol with air oxygen. The oligophenylazomethinephenol was synthesized by the condensation of aniline with oligosalicylaldehyde. Metal complexes of these oligomers with Cu(II), Co(II), Zn(II), and Ni(II) were synthesized and characterized. Based on the results of thermogravimetric analysis, synthesized oligomer—metal complexes were more stable against heat and thermooxidative decomposition than some polymeric Schiff bases and polymer—metal complexes. Additionally, the presence of metal ions increased the thermal stability of oligo-ortho-aminophenol, while the thermal stability of oligophenylazomethinephenol was lowered.

Keywords: oligomer—metal complexes - oligophenols - thermal stability - polymer

Full paper is available at

DOI: 10.2478/s11696-006-0054-4


Chemical Papers 60 (4) 306–310 (2006)

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