Synthesis and Characteization of Metal Complex With Ninhydrin and O-Phenylenediamine Derivative
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Date
2007-08
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Addis Ababa Universty
Abstract
A new quinoxaline derivative (NHOPD) was synthesized by a one step reaction between
ninhydrin and o-phenylenediamine . It formed metal complex when reacted with
CuCl2.2H2O in ethanolic chloroform medium .The quinoxaline derivative(NHOPD) was
characterized on the basis of IR,NMR,MS and UV-VIS spectral data.
The Cu-NHOPD complex was characterized by analytical, conductivities, spectral
(AAS,IR,UV-VIS) and magnetic data. Involvement of exocyclic carbonyl oxygen and
one of the quinoxaline nitrogen in coordination was concluded, such that the ligand
behaved as a neutral ON bidentate. Conductance measurement indicates a 1:2 electrolytic
nature of the complex .Electronic spectral and magnetic susceptibility data suggest
square planar geometry for the complex with molecular formula [CuL2]Cl2.2H20
(L=NHOPD
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Keywords
NHOPD