Synthesis and Structural Studies of Transition Metal Complexes with Bidentate Schiff Base Derived from 3-Acetyl-6-methyl-(2H)-pyran-2,4(3H)-dione | Zendy

Praveen S. Mane | Zendy; Sanjiv M. Salunke | Zendy; Balagi S. More | Zendy

Open Access

Synthesis and Structural Studies of Transition Metal Complexes with Bidentate Schiff Base Derived from 3-Acetyl-6-methyl-(2H)-pyran-2,4(3H)-dione

Author(s) -

Praveen S. Mane,

Sanjiv M. Salunke,

Balagi S. More

Publication year - 2011

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2011/763915

Subject(s) - dehydroacetic acid , chemistry , octahedral molecular geometry , denticity , octahedron , schiff base , ligand (biochemistry) , transition metal , metal , crystallography , pyran , stereochemistry , medicinal chemistry , crystal structure , organic chemistry , catalysis , biochemistry , receptor

The solid complexes of Cu(II), Ni(II), Co(II), Mn(II) and Fe(III) with Schiff base ligands derived from heterocyclic compounds 3-acetyl-6-methyl-(2H)-pyran-2,4(3H)-dione (Dehydroacetic acid) and o-chloroaniline were synthesized and characterized by elemental analysis, conductance, magnetic, thermal, UV-Vis and 1H-NMR spectroscopy. The ligand field parameters have been evaluated for Cu(II), Ni(II), Co(II), Mn(II) and Fe(III) complexes which suggest an octahedral geometry for each of them. The magnetic moment and spectral data suggest the dimeric nature of Mn(II) complexes with octahedral geometry. The fungicidal activities of the ligands and their metal complexes have been screened in vitro against Aspergillus niger and the percentage inhibition of the metal complexes is found to be increased considerably then that of their corresponding ligands and the order is Cu>Ni>Fe>Mn>Co

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