Chiral Brønsted Acids Catalyze Asymmetric Additions to Substrates that Are Already Protonated: Highly Enantioselective Disulfonimide-Catalyzed Hantzsch Ester Reductions of NH–Imine Hydrochloride Salts
Sign Up to like & getrecommendations! Published in 2020 at "Synlett"
DOI: 10.1055/s-0040-1706413
Abstract: While imines are frequently used substrates in asymmetric Bronsted acid catalysis, their corresponding salts are generally considered unsuitable reaction partners. Such processes are challenging because they require the successful competition of a catalytic amount of… read more here.
Keywords: acids catalyze; chiral nsted; imine hydrochloride; nsted acids ... See more keywords