Synthesis, spectroscopy and biological investigations of manganese(III) Schiff base complexes derived from heterocyclic β-diketone with various primary amine and 2,2'-bipyridyl.

DOI: 10.1016/J.SAA.2011.03.008

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摘要: Abstract The mixed ligand mononuclear complex [Mn(bipy)(HPMFP)(OAc)]ClO4 was synthesized by reaction of Mn(OAc)3·2H2O with HPMFP and 2,2′-bipyridyl. corresponding Schiff base complexes were prepared condensation ethylenediamine, ethanolamine glycine (where HPMFP = 1-phenyl-3methyl-4-formyl-2-pyrazolin-5one, bipy = 2,2′-bipyridyl). All the compounds have been characterized elemental analysis, magnetic susceptibility, conductometry measurements 1H 13C NMR, FT-IR, mass spectrometry. Electronic spectral susceptibility indicate square pyramidal geometry around manganese(III) ion. thermal stabilities, activation energy E*, entropy change ΔS*, enthalpy ΔH* heat capacity degradation for these determined TGA DSC. in vitro antibacterial antifungal activity four coordination investigated. In activates Bacillus subtillis (MTCC-619), Staphylococcus aureus (MTCC-96), Escherichia coli (MTCC-722) Klebsiella pneumonia (MTCC-109) bacteria fungus Candida albicans (ATCC-90028) determined. showed good antimicrobial activity. activities increased as formation base.

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Synthesis, spectroscopy and biological investigations of manganese(III) Schiff base complexes derived from heterocyclic β-diketone with various primary amine and 2,2'-bipyridyl.

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Synthesis, spectroscopy and biological investigations of manganese(III) Schiff base complexes derived from heterocyclic β-diketone with various primary amine and 2,2'-bipyridyl.

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