YTTERBIUM TRIFLATE CATALYZED MICHAEL ADDITIONS OF BETA-KETOESTERS IN WATER

Authors
KELLER E FERINGA BL
Citation
E. Keller et Bl. Feringa, YTTERBIUM TRIFLATE CATALYZED MICHAEL ADDITIONS OF BETA-KETOESTERS IN WATER, Tetrahedron letters, 37(11), 1996, pp. 1879-1882
Citations number
13
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
37
Issue
11
Year of publication
1996
Pages
1879 - 1882
Database
ISI
SICI code
0040-4039(1996)37:11<1879:YTCMAO>2.0.ZU;2-2
Abstract
Michael addition of various beta-ketoesters towards enones and alpha,b eta-unsaturated aldehydes resulted in a quantitative conversion to the corresponding 1,4-adducts by performing the reactions in water in the presence of ytterbium triflate as a water-tolerant Lewis acid.