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Catalysis of the oxidation of 1,4-cyclohexadiene to benzene by electroactve binuclear rhodium complexes

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Abstract

Electrochemical oxidation of Rh2(TMB) 2+4 (TMB = 2,5-diisocyano-2,5-dimethylhexane) in the presence of 1,4-cyclohexadiene produces benzene and two protons. It is probable that a key step in the reaction is hydrogen-atom transfer from 1,4-cyclohexadiene to electrochemically generated Rh2(TMB) 3+4 . The H-atom abstraction apparently is facilitated by the presence of a dσ* hole in the Rh 3+2 2 complex.

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Authors and Affiliations

  1. Arthur Amos Noyes Laboratory, California Institute of Technology, 91125, Pasadena, California, USA

    David C. Smith & Harry B. Gray

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  1. David C. Smith
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  2. Harry B. Gray
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Smith, D.C., Gray, H.B. Catalysis of the oxidation of 1,4-cyclohexadiene to benzene by electroactve binuclear rhodium complexes. Catal Lett 6, 195–199 (1990). https://doi.org/10.1007/BF00774720

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  • DOI: https://doi.org/10.1007/BF00774720

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