Asymmetric Bronsted Acid Catalysis Magnus Rueping, Dixit Parmar, Erli Sugiono
Publisher: Wiley

Chiral Brønsted Acid as a True Catalyst: Asymmetric Mukaiyama Aldol and Confined Acid-Catalyzed Asymmetric Carbonyl–Ene Cyclization. First Brønsted acid catalyzed asymmetric aldol reaction: a complementary approach to enamine catalysis. Asymmetric catalysis by strong Brønsted acids. A conjugate-base-stabilized Brønsted acid facilitates catalytic . Available in: Hardcover,NOOK Book (eBook). Herein, we will report an asymmetric synthesis of cyclic aminals via Brønsted acid -catalyzed redox reaction of o-aminobenzoketones 1 with anilines 2. Keywords: asymmetric catalysis · Brønsted acids ·catalysis design · cooperative effects · Lewis acids. Catalytic Asymmetric Pericyclic Reactions - 11/7/2011. Disulfonimide-Catalyzed Asymmetric Reduction of N -Alkyl Imines. Figure 1: Scope of the catalyticasymmetric Povarov reaction of N-aryl imines and enamide 3. Limitations of classical Brønsted/Lewis Acid catalysis: • Poor reactivity (low acidity ). Recently, chiral Brønsted acids as dual ligand and acid catalysts in the context of metal catalysis have been developed. Correction to “Asymmetric Synthesis of α-Amino Ketones by Brønsted AcidCatalysis”. A syn-enantioselective aldol reaction has been developed using Brønsted acidcatalysis based on H8-BINOL-derived phosphoric acids.