Abstract
AbstractAn efficient method for the direct synthesis of aziridine‐containing chiral tridentate ligands was developed from enantiopure aziridines and salicylaldehydes. The method achieved the regiospecific cleavage of more substituted C−N bonds of aziridines through an iminium‐mediated self‐ring opening reaction of aziridines with up to 95% yield and complete inversion of configuration. The (S)‐2‐alkylaziridine‐derived tridentate ligands displayed excellent activity and stereoselectivity in the zinc trifluoromethanesulfonate‐catalyzed asymmetric aldol reactions of acetone and aromatic aldehydes.magnified image
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