Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry and Computational Chemistry


Electrochemical and Thermal studies of dipyridotetraaza macrocyclic complexes of Fe (III) and Ni (II)

Author(s): Sweety, Anuj Kumar, Prashant Tevatia and Randhir Singh

12-membered and 14-membered pyridine based transition metal macrocyclic complexes [MIIL1Cl2], [MIIIL1Cl2]Cl, and [MIIL2Cl2], [MIIIL2Cl2]Cl, have been synthesized where L1= 5,6, 11,12-tetraphenyl-dipyrido[b, h]1,4,7,10- tetraazacyclododecane and L2 = 5,7,12,14-tetramethyl-dipyrido[b, i] 1,4,8,11-tetraazacyclotetradecane. MII= Ni (II), MIII = Fe (III). These complexes were characterized by UV-Vis, IR, Mass, TGA/DTA, microanalysis (C, H, and N). These complexes have been assigned saddle-shape nonplanar octahedral configurations on the basis of electronic spectral data. Redox behavior of these macrocyclic complexes were studied by cyclic voltammetric technique. The results suggest quasirreversible behavior of most of the redox processes. .

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