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Aucagne, V ; Lorin, C ; Tatibouet, A ; Rollin, P

Regioselective Michael-induced cyclisation of ?- and d-hydroxy vinyl sulfides and vinyl dithiocarbamates

Tetrahedron Letters 46 (25) 4349-4352

par Administrateur - publié le

Abstract :

We herein describe the unprecedented use of heteroaryl vinyl sulfides and vinyl dithiocarbamates as hetero-Michael addition acceptors. Combined chelating and electron-withdrawing effects Lire Postulated to stabilise the transient anionic species and allow smooth Michael-induced ring closure to produce diversely functionalised C-glycosides. (c) 2005 Elsevier Ltd. All rights reserved.