In Situ Preparation of a Multifunctional Chiral Hybrid Organic-Inorganic Catalyst for Asymmetric Multicomponent Reactions
Résumé
A chiral mesoporous organosilica material incorporating a urea based-cinchona derivative and propylamine groups was prepared by a co-condensation method. The multisite solid catalyst efficiently promoted the asymmetric multicomponent reaction of aldehydes, malonates and nitromethane