Syntheses and structures of bis(2,6-xylyl-nacnac) copper(I) complexes |
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Authors: | Paul O. Oguadinma |
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Affiliation: | Département de Chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7 |
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Abstract: | The copper(I) complexes {(bis-2,6-dimethylphenyl-penta-2,3-diiminato)Cu}2(μ-toluene), 3 has been prepared and its reactivity against Lewis bases and nitrous oxide investigated. Complex 3 crystallizes as a toluene-bridged dimer and forms mono- and dinuclear benzene adducts in C6D6 solution. It does not coordinate excess THF, but reacts quantitatively with 1 equiv. of acetonitrile. Reaction with 2,6-xylyl isonitrile yields (bis-2,6-dimethylphenyl-penta-2,3-diiminato)Cu(2,6-xylyl isonitrile), 5, (νCN = 2123 cm−1), which was characterized by an X-ray diffraction study. Complex 3 does not react with nitrous oxide in either C6D6 solution (5 days 50 °C) or in diethyl ether (13 days at ambient temperature). |
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Keywords: | Diketiminate ligands nacnac Ligands Copper complexes Nitrous oxide Isonitrile complexes X-ray crystal structures |
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