Abstract

Abdul Vudood, Manish Kumar and P.N. Saxena

The condansation reactions of 2,6-diaminopyridine with diacetyl in the presence of Ln(III) ions produces open chain complexes as a result of Schiff base condensations. These complexes contain free ketonic groups. The condansation reactions of these complexes with a diamine have been studied in presence of glacial acetic acid which cause ring closer and formation of macrocyclic complexes. These complexes have been characterized on the basis of elemental analyses, conductance, magnetic moment and spectral data. On the basis of aforesaid studies probable structures of the complexes have been proposed.

Condensation; Macrocyclic; ring closer; Schiff base; DMF and DMSO

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