A pyridine-bis(oxazoline) ligand was efficiently immobilized by copper(I)-catalyzed azide-alkyne cycloaddition onto a polystyrene resin. The so obtained click-pybox resin 1a was associated with various metal salts (YbCl3, LuCl3, CuOTf) and the resulting resin-bound catalysts were explored in ring-opening of cyclohexene oxide, silylcyanation of benzaldehyde and alkynylation of imines. These new polymer-supported
通过
铜(I)催化的
叠氮化物-
炔烃环加成反应将
吡啶-双(
恶唑啉)
配体有效地固定在聚
苯乙烯树脂上。如此获得的点击式box盒
树脂1a与各种
金属盐(YbCl 3,LuCl 3,CuOTf)缔合,并在
环己烯氧化物的开环,
苯甲醛的甲
硅烷基
氰化和
亚胺的炔基化反应中探索了与
树脂结合的催化剂。这些新型的聚合物负载型催化剂在催化活性,对映选择性和可回收性方面表现出良好至优异的性能。