Catalytic Asymmetric Aldol Reaction of Ketene Silyl Acetals with Aldehydes by Use of Chiral Bissulfonamido Zinc(II)

Abstract
Enantioselective aldol reaction of ketene silyl acetals with aldehydes is effectively performed by use of a catalytic amount of chiral bissulfonamido zinc(II), easily prepared from diethylzinc and chiral sulfonamides.