The reaction of cobaloximes with hydrogen: Products and thermodynamics

Deven P. Estes, David C. Grills, Jack R. Norton

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61 Citations (Scopus)

Abstract

A cobalt hydride has been proposed as an intermediate in many reactions of the Co(dmgBF2)2L2 system, but its observation has proven difficult. We have observed the UV-vis spectra of Co(dmgBF2)2L2 (1) in CH3CN under hydrogen pressures of up to 70 atm. A Co(I) compound (6a) with an exchangeable proton is eventually formed. We have determined the bond dissociation free energy and pKa of the new O-H bond in 6a to be 50.5 kcal/mol and 13.4, respectively, in CH3CN, matching previous reports.

Original languageEnglish
Pages (from-to)17362-17365
Number of pages4
JournalJournal of the American Chemical Society
Volume136
Issue number50
DOIs
Publication statusPublished - Dec 17 2014

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ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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