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Molecules 2006, 11(12), 1000-1008; doi:10.3390/11121000

Synthesis and Spectral Investigations of Manganese(II), Cobalt(II), Nickel(II), Copper(II) and Zinc(II) Complexes of New Polydentate Ligands Containing a 1,8-Naphthyridine Moiety

Department of Chemistry, Kakatiya University, Warangal – 506 009, India
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Received: 14 November 2006 / Revised: 12 December 2006 / Accepted: 17 December 2006 / Published: 21 December 2006
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Abstract

2-(o-Hydroxyphenyl)-1,8-naphthyridine (HN), 2-(4-hydroxy-6-methylpyran-2-one-3-yl)-1,8-naphthyridine (HMPN) and 2-(benzimidazol-2-yl)-1,8-naphthyridine(BN) react with acetates of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) to yield metal ioncomplexes of definite composition. These compounds were characterized by elementalanalyses, molar conductivity, magnetic susceptibility measurements, thermal studies, IR,UV-visible, NMR and mass spectral investigations. The complexes are found to have theformulae [M(HN)2(H2O)2], [M(HMPN)2(H2O)2] and [M(BN)2(OAc)2], respectively.
Keywords: 1; 8-Naphthyridine; polydentate ligands; transition metal complexes; spectral investigations of metal complexes 1; 8-Naphthyridine; polydentate ligands; transition metal complexes; spectral investigations of metal complexes
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Swamy, S.J.; Reddy, E.R.; Raju, D.N.; Jyothi, S. Synthesis and Spectral Investigations of Manganese(II), Cobalt(II), Nickel(II), Copper(II) and Zinc(II) Complexes of New Polydentate Ligands Containing a 1,8-Naphthyridine Moiety. Molecules 2006, 11, 1000-1008.

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