Palladium-catalyzed intramolecular Cp–H bond functionalization/arylation: an enantioselective approach to planar chiral quinilinoferrocenes†
Abstract
A palladium-catalyzed intramolecular asymmetric Cp–H functionalization/cyclization reaction to construct planar chiral quinilinoferrocenes was reported. The current investigation indicated that Carriera's O-PINAP ligands gave the best enantiomeric induction. The palladium-catalyzed reaction allowed a variety of chiral quinilinoferrocenes to be synthesized with broad functional group tolerance.