S. Kobayashi, I. Hachiya, H. Ishitani
Jul 9, 1993
Citations
0
Influential Citations
65
Citations
Journal
Tetrahedron Letters
Abstract
Abstract In the presence of a catalytic amount of chiral ytterbium trifluoromethanesulfonate (triflate), acyl-1,3-oxazolidin-2-ones or methacrolein reacted with cyclopentadiene to afford the corresponding Diels-Alder adduct in high yields and with moderate to excellent enantiomeric excesses.