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The chelating behavior of ligands based on carbohydrazone core modified with pyridine end towards Co(II), Ni(II) and Cu(II) ions have been examined. The ligands derived from the condensation of carbohydrazide with 2-acetylpyridine (H 2 APC) and 4-acetylpyridine (H 2 APEC). The 1 H NMR, IR data and the binding energy calculations of H 2 APC revealed the presence of two...
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