作者: Yingjie Qian , Sang Yung Jeong , Sung-Hyeon Baeck , Myung-Jong Jin , Sang Eun Shim
DOI: 10.1039/C9RA06709D
关键词: Moiety 、 Coupling reaction 、 Catalysis 、 Leaching (metallurgy) 、 Conjugated system 、 Metal 、 Combinatorial chemistry 、 Polymer 、 Palladium 、 Chemistry
摘要: Porous organic polymers (POPs) with well-distributed and tunable functional groups acting as ligands for specific reactions are promising supports confining useful novel metals such Pd, Au, Pd. Herein, a thiadiazole-containing POP has been successfully synthesized used immobilizing Pd species. immobilized inside the micropores (2.3 nm) of material is easily prepared owing to large amount strong anchoring group, thiadiazole, which intrinsically distributed in as-prepared POP. The rigid polymer can stabilize central metal rather than poisoning it. catalyst shows excellent catalytic activity Suzuki–Miyaura coupling under mild reaction conditions low loading. Importantly, thiadiazole moiety, preventing aggregation leaching, afford lifetimes. Consequently, be reused 10 times without significant loss its activity.