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不对称催化反应是高效合成单一对映体手性化合物的重要途径之一.近年来,均相催化剂多相化因符合绿色化学发展趋势的要求,成为近年来不对称催化领域的研究热点.但其发展也面临巨大挑战:多相化往往会造成催化活性大幅度下降,还伴随对映选择性的降低甚至完全丧失.基于水滑石层间阴离子种类和数量的可调控性,将具有不对称催化活性的客体阴离子插入水滑石层间,可利用层内空间的限域效应和主体层板的协同效应强化不对称选择性,同时主体层板的可剥离性和功能协同提高反应活性.本文重点综述近几年来基于水滑石超分子插层手性催化材料的研究进展.
Asymmetric catalysis is one of the most important ways to efficiently synthesize single enantiomer chiral compounds.In recent years, the heterogeneity of homogeneous catalysis has become a research hotspot in the field of asymmetric catalysis in recent years due to the requirement of green chemistry development. Its development is also faced with a huge challenge: heterogeneity often leads to a substantial decline in catalytic activity, but also with the enantioselectivity decreased or even completely lost.According to the hydrotalcite anion species and the number of adjustable, will have asymmetric catalysis The anion of the active guest intercalated into the hydrotalcite interlayer can utilize the confinement effect of the interlayer space and the synergistic effect of the host laminate to enhance the asymmetric selectivity and at the same time the peelability and function of the host laminate can improve the reactivity. Research Progress of Chiral Catalytic Materials Based on Hydrotalcite Intermolecular Intercalation in Recent Years.