Abstract
Attempts have been made to synthesize co-ordination polymers of a new bis oxine bidentate ligand, namely 7,7′-[1,4-N,N′-dimethylene piperazinylene]-8-quinolinol (DMPQ) with different metal ions. The bis bidentate ligand DMPQ polymer is synthesized by a Mannich base reaction of oxine with formaldehyde and piperazine dihydrochloride in the presence of acid catalyst. The co-ordination polymers of DMPQ with different metal ions like Cu +2, Zn +2, Co +2, Mg +2, Mn +2 and Cd +2 were prepared and characterized by their elemental analysis, IR spectral and magnetic moment studies. The metal content in all the polymers was found to be consistent with (1:1) metal:ligand stoichiometry. The thermal behaviour of each of these co-ordination polymers has been examined by TGA in air up to 600°C temperature.
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