title: Sulfoximines as ligands in copper-catalyzed asymmetric vinylogous Mukaiyama-type aldol reactions.
abstract: [reaction: see text] gamma,delta-Unsaturated alpha-hydroxy diesters with quaternary centers have been obtained with up to 99% ee in high yields using catalysts prepared from copper(II) triflate and C(1)-symmetric aminosulfoximines.
authors.affiliation: Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, D-52056 Aachen, Germany.
authors.forename: Pauline
authors.initials: P
authors.lastname: Rémy
authors.forename: Martin
authors.initials: M
authors.lastname: Langner
authors.forename: Carsten
authors.initials: C
authors.lastname: Bolm