Ferrocene-based planar chiral imidazopyridinium salts for catalysis

Christopher T. Check, Ki Po Jang, C. Benjamin Schwamb, Alexander S. Wong, Michael H. Wang, Karl A. Scheidt*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

81 Scopus citations


Planar chirality remains an underutilized control element in asymmetric catalysis. Factors that have limited its broader application in catalysis include poor catalyst performance and difficulties associated with the economical production of enantiopure planar chiral compounds. The construction of planar chiral azolium salts that incorporate a sterically demanding iron sandwich complex is now reported. Applications of this new N-heterocyclic carbene as both an organocatalyst and a ligand for transition-metal catalysis demonstrate its unprecedented versatility and potential broad utility in asymmetric catalysis.

Original languageEnglish (US)
Pages (from-to)4264-4268
Number of pages5
JournalAngewandte Chemie - International Edition
Issue number14
StatePublished - Mar 27 2015


  • N-heterocyclic carbenes
  • asymmetric synthesis
  • organocatalysis
  • transition-metal catalysis

ASJC Scopus subject areas

  • General Chemistry
  • Catalysis


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