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Chemical oxidation of two preformed dinuclear copper(II) dithiocarbamate macrocycles leads to the formation of a novel mixed-valence tetranuclear copper(II)/copper(III) dithiocarbamate [2]catenane in near quantitative yield. Structural (see X-ray crystal structure), magnetic susceptibility, electrospray mass spectrometry, and electrochemical studies all support the formation of a CuIICuIIICuIICuIII tetranuclear catenane dication.
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Padilla‐Tosta et al. (2001) studied this question.
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