The electroactive species in the catalysis of cyclohexadiene to benzene by Rh2(TM4)4 +2 (TM4=2,5-diisocyano-2,5-dimethylhexane)

Michael G. Hill, Kent R Mann

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Upon further investigation of the recently reported electrocatalytic oxidation of 1,4-cyclohexadiene to benzene by Rh2(TM4)4 +2 (TM4=2,5-diisocyano-2,5-dimethylhexane), we have obtained data which strongly implicates the 2e- oxidized d7-d7 complex as the electroactive species. This contrasts with the original report which suggested that the le- oxidized d7-d8 radical acted as the key species via hydrogen atom abstraction from 1,4-cyclohexadiene. A possible mechanism for the catalysis is proposed.

Original languageEnglish (US)
Pages (from-to)341-347
Number of pages7
JournalCatalysis Letters
Volume11
Issue number3-6
DOIs
StatePublished - May 1 1991

Keywords

  • Electrocatalytic oxidation of 1,4-cyclohexadiene
  • IR spectroelectrochemistry
  • binuclear rhodium complexes

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