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Research Paper | Chemistry | Nigeria | Volume 4 Issue 8, August 2015 | Popularity: 6.2 / 10

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Synthesis, Characterization and Antimicrobial Studies of Mn(II) Co(II) AND Zn(II) SCHIFF Base Complexes Derived from L-Arginineand 2-Hydroxy-1-Naphthaldehyde

Iniama, Grace E, Iorkpiligh, TerungwaIsaac

Abstract: The ligand, L-arginine-2-hydroxy-1-naphthaldehyde (LAHN) was synthesized and used for the preparation of Mn (II), Co (II) and Zn (II) complexes. These were characterized using infrared, electronic absorption data, molar conductivity and elemental analysis. The infrared spectra data of this ligand and its metal complexes show that the ligand is a bidentate molecule which coordinated to the metal ions through the azomethine nitrogen and the carboxylate oxygen atom of the L-arginine-2-hydroxy-1-naphthaldehyde, the Schiff base. From the electronic absorption spectra data available, tetrahedral geometry have been assigned to the prepared complexes. The ligand and all complexes have good antimicrobial effect on Escherichia coli, Staphylococus aureus, Salmonella typhi Candida albican and Aspergillius niger strains at different concentrations. The complexes show enhanced activities and their activities against the microorganisms increased with increasing concentrations.

Keywords: Schiff base complex, bidentate ligand, antimicrobial activity

Edition: Volume 4 Issue 8, August 2015

Pages: 979 - 982

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