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Asian Journal of Research in Chemistry
Year : 2015, Volume : 8, Issue : 11
First page : ( 693) Last page : ( 696)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2015.00111.X

Synthesis and characterization of manganese(II), cobalt(II), nickel(II), copper(II), and zinc(II) mixed ligand complexes with [(1-phenyl-3- methyl-5- hydroxopyrazol-4-yl) methylimino] 2′, 3′ dimethylaniline and 2- hydroxy-1-naphthaldehyde

Valecha Sheela M.

Department of Chemistry, K.C. College, Churchgate, Mumbai-400020, India

*Corresponding Author E-mail:

Online published on 31 December, 2015.


Mixed ligand complexes of the type [MLL'] where M=Mn(II), Co(II), Ni(II), Cu(II), Zn(II) HL=[(1-phenyl-3methyl-5-hydroxopyrazol-4-yl)methylimino]2, 3 dimethylaniline; (HPMPZM)dma. HL'=2-hydroxy-1naphaldehyde;(HNA), have been synthesized and characterized on the basis of elemental analysis, conductivity measurements, magnetic, electronic and infra red spectral studies. The complexes confirm to 1: 1: 1 stoichiometry and are non electrolytes. The Schiff base HL act as a monovalent bidentate ligand co-ordinating through azomethine nitrogen and phenolic oxygen. On the basis of electronic spectra, IR spectra and magnetic moment measurements; six coordinated octahedral structures have been proposed for the complexes. Thermal studies revealed the presence of two co-ordinated water molecules. The Schiff base and mixed ligand complexes have been tested for their antibacterial activity against the Escherichia coli, Bacillus substilis, staphylococcus aureus.


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