Abstract
AbstractA series of new N‐sulfonamidate ligands and their cooper(II) complexes, [Cu(N‐(5‐ethyl‐[1,3,4]‐thiadiazole‐2‐yl)‐toluenesulfonamidate)2(py)2(H2O)](H2O) (1) and [Cu(N‐(5‐ethyl‐[1,3,4]‐thiadiazole‐2‐yl)‐benzenesulfonamidate)2(py)2(H2O)] (2) have been synthesized and characterized. The X‐ray crystal structures of the complexes 1 and 2 have been determined. In the both two complexes, the Cu2+ ion is five‐coordinated, forming a CuN4O chromophore. The ligands act as monodentate, coordinating the metal ion through a single Nthiadiazole atom. The molecules from the reaction medium (pyridine and water) also participate to the coordination of Cu2+ ion as monodentate ligands. Both two complexes have a slightly distorted square pyramidal geometry. The chemical properties of the complexes have been studied by FT‐IR, electronic and EPR spectroscopic methods.
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