Homoleptic Rhodium Pyridine Complexes for Catalytic Hydrogen Oxidation

Yu Zhang, Toby J. Woods, Thomas B. Rauchfuss

Research output: Contribution to journalArticlepeer-review

Abstract

The homoleptic rhodium pyridine complex [Rh(py)4]+([1]+) is prepared from simple precursors. Lacking good π-acceptor ligands but being sterically protected, [1]+reversibly oxidizes to colorless [Rh(py)4(thf)2]2+. This monomericS= 1/2 Rh(II) complex activates H2to give [HRh(py)4L]2+, which can also be generated by protonation of [1]+. The Rh(III)-H bond is weak, being susceptible to H atom abstraction as well as deprotonation. These results underpin a novel catalytic system for the oxidation of H2by ferrocenium.

Original languageEnglish (US)
Pages (from-to)10065-10069
Number of pages5
JournalJournal of the American Chemical Society
Volume143
Issue number27
DOIs
StatePublished - Jul 14 2021

ASJC Scopus subject areas

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

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