Synthesis,spectral characterization,properties and structures of copper(I) complexes containing novel bidentate iminopyridine ligands |
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| Authors: | Saeed Dehghanpour Nouri Bouslimani Richard Welter Fresia Mojahed |
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| Institution: | 1. Department of Chemistry, Alzahra University, P.O. Box 1993891176, Tehran, Iran;2. Laboratoire DECOMET, LC003 7177 CNRS-ULP, Louis Pasteur University, Strasbourg I, F-67070 Strasbourg Cedex, France;3. Department of Chemistry, Faculty of Science, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran |
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| Abstract: | Four new ligands, (4-methyl-phenyl)-pyridin-2-ylmethylene-amine (A), (2,3-dimethyl-phenyl)-pyridin-2-ylmethylene-amine (B), (2,4-dimethyl-phenyl)-pyridin-2-ylmethylene-amine (C) and (2,5-dimethyl-phenyl)-pyridin-2-ylmethylene-amine (D), and their corresponding copper(I) complexes, Cu(A)2]ClO4 (1a), Cu(B)2]ClO4 (1b), Cu(C)2]ClO4 (1c), Cu(D)2]ClO4 (1d), Cu(A)(PPh3)2]ClO4 (2a), Cu(B)(PPh3)2]ClO4 (2b), Cu(C)(PPh3)2]ClO4 (2c) and Cu(D)(PPh3)2]ClO4 (2d), have been synthesized and characterized by CHN analyses, 1H and 13C NMR, IR and UV–Vis spectroscopy. The crystal structures of Cu(B)2]ClO4 (1b), Cu(C)2]ClO4 (1c) and Cu(A)(PPh3)2]ClO4 · 1/2CH3CN (2a) were determined from single crystal X-ray diffraction. The coordination polyhedron about the copper(I) center in the three complexes is best described as a distorted tetrahedron. A quasireversible redox behavior is observed for the complexes. |
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| Keywords: | 2-Pyridinecarbaldehyde Diimine ligands Copper(I) complexes Distorted tetrahedral structure |
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