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|Title:||Synthesis and characterization of niobium(V) complexes with terdentate ONO donor hydrazones|
|Authors:||Naik, V M|
Mallur, N B
|Abstract:||The metal complexes of niobium(V) with 2-benzimidazolyl mercaptoaceto hydrazones have been synthesized in dry alcohol under nitrogen atmosphere and characterized by elemental analyses, molar conductance measurements, infrared, electronic and 1H NMR spectral studies. The spectral studies show that the hydrazones reacts in enol form and act as dibasic terdentate ONO donor nature. The thermal stabilities have been studied and the kinetics of these complexes are calculated using Coats-Redfern and MKN methods. From the results, a coordination number seven for niobium ion in the complexes of the type Nb(L)2CI is proposed. All the ligands and their niobium(V) complexes have been screened for their antimicrobial activity.|
|Appears in Collections:|| IJC-A Vol.41A(04) [April 2002]|
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