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|Title:||Template synthesis and spectroscopic studies on oxovanadium(IV) acyclic and macrocyclic complexes|
|Authors:||Pandey, Gajendra Kumar|
Pandey, Om Prakash
Sengupta, Soumitra Kumar
|Abstract:||The template reactions of 2,6-diaminopyridine or 1,8-diaminonaphthalene with diacetyl or benzil in the presence of vanadyl(IV) produce N3O2 or N2O2 open chain complexes as a result of [2+1] schiff base condensation. These complexes contain free ketonic group. Therefore, the reactions of these complexes with diamines (o-phenylenediamine and 4-methyl-o-phenylenediamine) have been studied in presence of glacial acetic acid which cause ring closure and formation of macrocyclic complexes. The complexes so obtained have been characterized on the basis of elemental analysis, conductance, magnetic moment and spectral (electronic, IR and ESR) data. The probable structures of the complexes are suggested.|
|Appears in Collections:||IJC-A Vol.37A(05) [May 1998]|
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