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Research Journal of Science and Technology
Year : 2016, Volume : 8, Issue : 4
First page : ( 199) Last page : ( 203)
Print ISSN : 0975-4393. Online ISSN : 2349-2988.
Article DOI : 10.5958/2349-2988.2016.00029.2

Complexation Behavior of 1-Phenyl-2,3-dimethyl-4-(benzylamino) pyrazol-5-one Schiff Base Ligand with Manganese ion

Eberendu K.O., Otuokere I.E.*

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

*Corresponding Author E-mail: ifeanyiotuokere@gmail.com

Online published on 30 December, 2016.


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.



1-phenyl-2, 3-dimethyl-4-(benzylamino)pyrazol-5-one, manganese, mass spectra, infrared, Schiff base.


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