Lewis acid mediated selective chalcogenalkylation of silyl enol ethers with [O,S]-acetals

Authors
Braga, AL Dornelles, L Silveira, CC Wessjohann, LA
Citation
Al. Braga et al., Lewis acid mediated selective chalcogenalkylation of silyl enol ethers with [O,S]-acetals, SYNTHESIS-S, (4), 1999, pp. 562-564
Citations number
17
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
SYNTHESIS-STUTTGART
ISSN journal
00397881 → ACNP
Issue
4
Year of publication
1999
Pages
562 - 564
Database
ISI
SICI code
0039-7881(199904):4<562:LAMSCO>2.0.ZU;2-5
Abstract
Silyl enol ethers of ketones were selectively alkylated with [O,S]-acetals mediated by Lewis acid in a Mukaiyama type Aldol reaction. The products wer e beta-alkoxy- and/or beta-sulfanyl carbonyl compounds depending on the cat alyst employed.