13 research outputs found
Highly Enantioselective Hetero-Diels–Alder Reaction of 1,3-Bis-(silyloxy)-1,3-dienes with Aldehydes Catalyzed by Chiral Disulfonimide
Bulking up with F: The title reaction proceeds using 1 mol % of the new perfluoroisopropyl chiral disulfonimide catalyst 1 to deliver several 2,6-disubstituted and 2,5,6-trisubstituted dihydropyrones in good yields and with excellent enantiomeric ratios. The utility of this methodology is illustrated with the first enantioselective synthesis of a potent aromatase inhibitor