Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2010 Vol: 2 Issue: 2

Synthesis, spectroscopic and antifungal studies of Ni(II) complexes with macrocyclic ligands

Abstract

Nickel(II) complexes have been synthesized with macrocyclic ligands 2, 7, 9, 14-tetrahydroxy phenyl-1, 3, 6, 8, 13-hexaazacycloocta decane (L1 ), 2, 7, 9, 14-tetracyclohexane-1, 3, 6, 8, 13- hexaazacyclo-octadecane(L2 ) by template method. The complexes were characterized on the basis of elemental analysis, molar conductance measurements, magnetic susceptibility measurements, IR and electronic spectral studies. The complexes were found to have general compositions, [Ni(L)X2] (where L = L1 and L2 ligands, X = Cl− , NO3 − and CH3COO− ). The ligands coordinate to metal ion via four donor sites to give six coordinate complexes having octahedral geometry. The complexes were also examined for antifungal studies against pathogenic strains like Alternaria brassicae, Alternaria porri and Fusarium oxysporum. Food Poison Technique was employed for screening the in vitro antifungal studies of the complexes

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