交叉偶联反应是构建C—C键、C—N键和C—O键的高效方法.利用有机聚合物材料作为催化剂载体进行的异相催化反应具有催化剂可回收、反应高效等优点.综述了共价有机骨架(COFs)通过负载金属构成异相催化剂,在多种交叉偶联反应中的应用;对催化效率和催化剂的循环次数进行了详细描述,并指出了该领域面临的问题与挑战.
Cross-coupling reactions are efficient methods for building C—C bonds,C—N bonds,and C—O bonds.Heterogeneous catalytic reactions with organic polymers as catalyst supporters possess the advantages of recyclable catalysts and high efficiency.This article reviews the application of covalent organic frameworks(COFs)to form heterogeneous catalysts by loading metals in various cross-coupling reactions.The catalytic efficiency and catalyst cycle times are described in detail,and pointed out the problems and challenges in this field.