AN EASY APPROACH TO BUTENOLIDES BY HORNER-WADSWORTH-EMMONS OLEFINATION OF ALPHA-HYDROXY KETONES

Citation
F. Bonadies et al., AN EASY APPROACH TO BUTENOLIDES BY HORNER-WADSWORTH-EMMONS OLEFINATION OF ALPHA-HYDROXY KETONES, Tetrahedron letters, 36(16), 1995, pp. 2839-2840
Citations number
6
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
36
Issue
16
Year of publication
1995
Pages
2839 - 2840
Database
ISI
SICI code
0040-4039(1995)36:16<2839:AEATBB>2.0.ZU;2-E
Abstract
By treatment with stabilized lithium phosphonates in the presence of a ctivated 4 Angstrom molecular sieves, unprotected a-hydroxy ketones 1 undergo a convenient Horner-Wadsworth-Emmons olefination to give direc tly butenolides 3 as exclusive or predominant products.