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Complexation Behavior of 1-Phenyl-2,3-Dimethyl-4-(Benzylamino) Pyrazol-5-One Schiff Base Ligand with Manganese Ion


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1 Department of Chemistry, Michael Okpara University of Agriculture, Umudike, Nigeria
     

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Complexation behaviour of the Schiff base ligand, 1-phenyl-2,3-dimethyl-4-(benzylamino)pyrazole-5-one with manganese metal ion has been studied. The Schiff base ligand, 1-phenyl-2,3-dimethyl-4-(benzylamino)pyrazol-5-one was synthesized by the condensation reaction of 4-aminoantipyrine and benzaldehyde. The ligand and complex were characterized based on their colour, melting point, solubility, infrared and mass spectral analyses. Spectroscopic analyses suggested the involvement of C=N, C=O and chloride ions in chelation. A tetrahedral geometry was suggested for the manganese complex.

Keywords

1-Phenyl-2,3-Dimethyl-4-(Benzylamino)Pyrazol-5-One, Manganese, Mass Spectra, Infrared, Schiff Base.
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  • Complexation Behavior of 1-Phenyl-2,3-Dimethyl-4-(Benzylamino) Pyrazol-5-One Schiff Base Ligand with Manganese Ion

Abstract Views: 259  |  PDF Views: 2

Authors

K. O. Eberendu
Department of Chemistry, Michael Okpara University of Agriculture, Umudike, Nigeria
I. E. Otuokere
Department of Chemistry, Michael Okpara University of Agriculture, Umudike, Nigeria

Abstract


Complexation behaviour of the Schiff base ligand, 1-phenyl-2,3-dimethyl-4-(benzylamino)pyrazole-5-one with manganese metal ion has been studied. The Schiff base ligand, 1-phenyl-2,3-dimethyl-4-(benzylamino)pyrazol-5-one was synthesized by the condensation reaction of 4-aminoantipyrine and benzaldehyde. The ligand and complex were characterized based on their colour, melting point, solubility, infrared and mass spectral analyses. Spectroscopic analyses suggested the involvement of C=N, C=O and chloride ions in chelation. A tetrahedral geometry was suggested for the manganese complex.

Keywords


1-Phenyl-2,3-Dimethyl-4-(Benzylamino)Pyrazol-5-One, Manganese, Mass Spectra, Infrared, Schiff Base.