High-activity iron catalysts for the hydrogenation of hindered, unfunctionalized alkenes

Renyuan Pony Yu, Jonathan M. Darmon, Jordan M. Hoyt, Grant W. Margulieux, Zoë R. Turner, Paul J. Chirik

Research output: Contribution to journalArticlepeer-review

195 Scopus citations


The activity of aryl-substituted bis(imino)pyridine and bis(arylimidazol-2-ylidene)pyridine iron dinitrogen complexes has been evaluated in a series of catalytic olefin hydrogenation reactions. In general, more electron-donating chelates with smaller 2,6-aryl substituents produce more active iron hydrogenation catalysts. Establishment of this structure-activity relationship has produced base metal catalysts that exhibit high turnover frequencies for the hydrogenation of unfunctionalized, tri- and tetrasubstituted alkenes, one of the most challenging substrate classes for homogeneous hydrogenation catalysts.

Original languageEnglish (US)
Pages (from-to)1760-1764
Number of pages5
JournalACS Catalysis
Issue number8
StatePublished - Aug 3 2012

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Catalysis


  • N-heterocyclic carbene
  • catalysis
  • hydrogenation
  • iron


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