DOI: 10.21276/ajptr
Fri, 22 Mar 2019

Synthesis, Spectral Characterization, Magnetic Properties and Biological Activity Studies of Mn (II), Co (II), Cu (II) and Ni (II) Complexes of Azo Dye Schiff Base Ligand

Md. Faridur Rahman1*, Aniruddha Chakraborty2, Tanmoy Das1

1. Department of Chemistry, University of Burdwan, Burdwan-713104, India.

2. Union Christian Training College, Murshidabad, WB, India.


A new azo dye Schiff base ligand, namely N, N′-bis (5-(4-nitrophenyl) diazenyl)-2-hydroxybenzylideneamino)ethylenediimine (NDHBDED) has been synthesized and characterized by analytical techniques. And transition metal complexes of Mn (II), Co (II), Cu (II) and Ni (II) were synthesized by the derived azo dye Schiff base. The complexes were characterized for the elemental analysis, molecular weight determination, electronic spectra, spectral analysis, pH metric method, conductance measurement, magnetic moment measurement at room temperature. Analytical data reveal that Mn (II), Co (II), Cu (II) and Ni (II) complexes posses 1:1 metal-ligand ratios. Schiff base and synthesized complexes were screened for antibacterial and antifungal activities. Co (II) and Cu (II) complexes have been found to be more effective for antimicrobial activity.

Keywords: Azo dye Schiff base, Metal complexes, Characterization, Spectral analyses, Antimicrobial activity.

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