Ferrocene‐Based Planar Chiral Imidazopyridinium Salts for Catalysis |
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Authors: | Dr. Christopher T. Check Dr. Ki Po Jang C. Benjamin Schwamb Alexander S. Wong Michael H. Wang Prof. Dr. Karl A. Scheidt |
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Affiliation: | Department of Chemistry Center for Molecular Innovation and Drug Discovery, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208 (USA) |
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Abstract: | 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. |
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Keywords: | asymmetric synthesis N‐heterocyclic carbenes organocatalysis transition‐metal catalysis |
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