Réaction de type Wittig sur des aldoses non protégés: Synthèse d'esters α,β-insaturés
作者:Virginie Le Mignot、Catherine Lièvre、Catherine Fréchou、Gilles Demailly
DOI:10.1016/s0040-4039(97)10721-3
日期:1998.2
Unprotected aldoses react with methylbromoacetate in presence of n-tributylphosphine and zinc to give stereoselectively with good yields the corresponding E unsaturated Wittig adducts. (C) 1998 Elsevier Science Ltd. All rights reserved.
Some aspects of the knoevenagel-doebner and wittig reactions