Oxazoline‐Mediated Interannular Cyclopalladation of Ferrocene: Chiral Palladium(<scp>II</scp>) Catalysts for the Enantioselective Aza‐Claisen Rearrangement

Abstract

Formation of a carbon–palladium bond to the unsubstituted cyclopentadiene ring occurs during the cyclopalladation of 4-ferrocenyl-1,3-oxazolines and leads to a new type of metalated ferrocene (see scheme). These chiral complexes catalyze the asymmetric aza-Claisen rearrangement of allylic imidates.