In situ preparation of a multifunctional chiral hybrid organic–inorganic catalyst for asymmetric multicomponent reactions
作者:Pilar García-García、Alexandre Zagdoun、Christophe Copéret、Anne Lesage、Urbano Díaz、Avelino Corma
DOI:10.1039/c3sc22310h
日期:——
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.
一种具有手性的中孔有机
硅材料通过共凝聚方法制备,材料中包含基于
尿素的
金凤花衍
生物和
丙胺基团。该多位点固体催化剂有效促进了
醛类、
马来酸酯和亚
硝基甲烷的非对称多组分反应。