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Supramolecular Nanotubules as a Catalytic Regulator for Palladium Cations: Applications in Selective Catalysis
writer:Shanshan Wu+, Yongguang Li+, Siying Xie, Cong Ma, Myongsoo Lee, Sang Ouk Kim,* and Zhegang Huang*
keywords:heterogeneous catalysis,nanostructures,self-assembly,supported catalysts, supramolecular chemistry
source:期刊
specific source:Angew. Chem. Int. Ed.
Issue time:2017年

Despite the recent development of highly efficient and stable metal catalysts, conferral of regulatory characteristics to the catalytic reaction in heterogeneous systems remains a challenge. Novel supramolecular nanotubules were prepared by alternative stacking from trimeric macrocycles, which was found to be able to coordinate with Pd cations. The Pd

complexes exhibited a high catalytic performance for C-C coupling reaction. Notably, the tubular catalyst was observed to be controlled by supramolecular reversible assembly and

showed superior heterogeneous catalytic activity, which was maintained for a number of cycles or reuse under an aerobic environment. Furthermore, the supramolecular catalyst

showed unprecedented selectivity for the multifunctional coupling reaction and was able to serve as a new constructor of asymmetrical compounds.