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.