Zinc and cadmium complexes based on 3,6-di-tert-butyl-o-benzoquinone |
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Authors: | A V Piskunov A V Maleeva G A Abakumov V K Cherkasov G K Fukin A S Bogomyakov |
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Institution: | 1. Institute of Organometallic Chemistry, Russian Academy of Sciences, ul.Tropinina 49, Nizhnii Novgorod, 603600, Russia 2. International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
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Abstract: | Zinc and cadmium bis-o-semuquinolate and catecholate complexes are synthesized by the reduction of 3,6-di-tert-butyl-o-benzoquinone (3,6-Q) with amalgamated metals in a medium of various solvents. The oxidation of the metal catecholate derivatives results in the corresponding mono-o-semiquinone complexes, which undergo symmetrization to form the metal bis-o-semiquinolates. The molecular structures of the complexes (3,6-SQ)2Zn · Py, (3,6-SQ)2Zn · H2O, and (3,6-SQ)2Cd · α,α′-Bipy (3,6-SQ is the radical anion of 3,6-Q) are studied by X-ray diffraction analysis. Magnetochemical studies are carried out for the zinc and cadmium bis-o-semiquinone complexes. |
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