Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Ligational Behavior of Tridentate Schiff Base towards Transition Metal Ions
Author(s): Jai Devi, Nisha Batra, Som Sharma, Jyoti Yadav, Rajesh MalhotraThe ligational behavior of Schiff base ligand obtained by the condensation of cyanoacetylhydrazine and dehydroacetic acid towards some first transition series bivalent ions has been studied. The ligand on complexation yielded metal complexes of type ML2 where, L=anion of Schiff base ligand, cyano-acetic acid [1-(4-hydroxy-6- methyl-2-oxo-2H-pyran-3-yl)-ethylidene]-hydrazide; M=Co(II), Ni(II), Cu(II) or Zn(II)]. These complexes have been characterized on the basis of elemental analysis, molar conductivity, magnetic susceptibility, spectroscopic techniques (IR, UV-Visible, and NMR). The spectral studies suggested octahedral or distorted octahedral geometry around transition metal ion where Schiff base acted as tridentate ligand ONO coordinated through azomethine nitrogen and oxygen atoms of hydroxyl and carbonyl group to divalent metal ion.
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