Use of 1,3-Oxazolidin-2-one Derivatives of 3-Borylpropenoic Acids as β-Hydroxy Acrylic Acid Equivalents in the Asymmetric Diels-Alder Reaction Catalyzed by a Chiral Titanium Reagent

Article abstract of DOI:10.1016/0040-4020(92)80025-B

Catalytic asymmetric Diels-Alder reaction was developed by employing 3-(3-borylpropenoyl)-1,3-oxazolidin-2-one as a β-hydroxyacrylic acid equivalent.With a catalytic amount of the titanium reagent, 3-(3-borylpropenoyl)-1,3-oxazolidin-2-ones react smoothly