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Transition metal complexes of Mn(II), Co(II) and Cu(II) with dibasic tridentate Schiff base derived from the condensation of thiosemi-carbazide with acetoacetanilide as primary ligand and 1-hydroxy-2-naphthoic acid as co-ligand have been synthesized. The mixed ligand complexes of the above mentioned metal ions were characterized by analytical, magnetic and electronic spectral study. The transition metal complexes were also evaluated for antifungal activity against Drechslera tetramera, Fusarium oxysporum and Aternaria alternata at different concentrations.

The metal complexes of Cu(II) with thiosemicarbazones as primary and naphthoic acid as co-ligand are synthesized and characterized. The structure of newly synthesized complexes and the ligands were estabilished with U.V, I.R, Magnetic moment study and elememtal analysis. The ligand and the complexe were also screened for their fungicidal activity against different fungi viz- Drechlera tetramera, Alterntria alternate and Fusarium oxysporum.