ASYMMETRIC DIELS-ALDER REACTION CATALYZED BY A CHIRAL YTTERBIUM TRIFLUOROMETHANESULFONATE

Citation
S. Kobayashi et al., ASYMMETRIC DIELS-ALDER REACTION CATALYZED BY A CHIRAL YTTERBIUM TRIFLUOROMETHANESULFONATE, Tetrahedron letters, 34(28), 1993, pp. 4535-4538
Citations number
15
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
34
Issue
28
Year of publication
1993
Pages
4535 - 4538
Database
ISI
SICI code
0040-4039(1993)34:28<4535:ADRCBA>2.0.ZU;2-J
Abstract
In the presence of a catalytic amount of chiral ytterbium trifluoromet hanesulfonate (triflate), acyl-1,3-oxazolidin-2-ones or methacrolein r eacted with cyclopehtadiene corresponding Diels-Alder adduct in high y ields and with moderate to excellent enantiomeric excesses.