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Structure and Composition of the Anionic Chloride Complexes of Copper(II) as the Precursors of Catalysts for C–Cl Bond Metathesis

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Abstract

The chloride complexes of copper(II) (catalysts or catalyst precursors for various reactions of halogenated hydrocarbons) were characterized using electron, EPR, and EXAFS spectroscopy. It was found that chlorocuprates occur as mononuclear ([CuCl4]2–), binuclear ([Cu2Cl6]2–), and, probably, polynuclear species in chlorobenzene solutions. The Cu–Cl bond length in [CuCl4]2– is 2.25 ± 0.2 Å, which is close to the same values for crystalline tetrachlorocuprates. It was assumed that the chloride complexes of copper with counterions occur as globules in chlorobenzene.

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Authors and Affiliations

  1. Moscow State University, Moscow, 119899, Russia

    E. N. Golubeva & V. I. Pergushov

  2. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 117977, Russia

    A. I. Kokorin

  3. Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    D. I. Kochubei & V. V. Kriventsov

Authors
  1. E. N. Golubeva
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  2. A. I. Kokorin
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  3. D. I. Kochubei
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  4. V. I. Pergushov
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  5. V. V. Kriventsov
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Golubeva, E.N., Kokorin, A.I., Kochubei, D.I. et al. Structure and Composition of the Anionic Chloride Complexes of Copper(II) as the Precursors of Catalysts for C–Cl Bond Metathesis. Kinetics and Catalysis 43, 408–411 (2002). https://doi.org/10.1023/A:1016018204168

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