1. Laboratoire des Réactions sélectives sur support, U.A. CNRS 478, Université Paris-Sud, Batiment 410, 91405 Orsay Cedex, France;2. Laboratoire de Chimie Organique, U.A. CNRS 496, Avenue J.B. Clément, 92290 Chatenay- Malabry, France
Abstract:
Solid-liquid phase transfer catalysis without added organic solvent efficiently promotes MICHAEL reactions. The method is applied here to the addition of acetylacetone, methylacetoacetate and fluorene anions on hindered acceptors.