期刊
CHEMICAL COMMUNICATIONS
卷 48, 期 9, 页码 1251-1253出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc16316g
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Copper(II) complex, 1, of the bidentate ligand, L [L = bis(2-ethyl-4-methyl-imidazol-5yl)methane] has been synthesized and structurally characterized. Addition of nitric oxide gas to a degassed acetonitrile solution of 1 yielded the corresponding copper(II)-nitrosyl complex, 2. In acetonitrile, complex 2 on reaction with water afforded the corresponding copper(I)-nitrite complex, 3. Single crystal structure of complex 3 reveals the bidentate nitrite (eta(2)-O,O) bonding. This is the first example of a structurally characterized Cu(I)-(eta(2)-O,O) nitrite complex with N-donor ligand. The sequence of the formation of these complexes is just the reverse of the key steps of the postulated nitrite reduction cycle by CuNiRs.
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