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Developing new catalysts for highly selectivity and conversion of saturated C(sp3)–H bonds is of great significance. In order to obtain catalysts with high catalytic performance, six Eu‐based MOFs with different structural characteristics were obtained by using europium ions and different organic acid ligands, namely Eu‐1~Eu‐6. Eu‐1, Eu‐2 and Eu‐3 featured three‐dimensional structures, while Eu‐4 and Eu‐5 featured two‐dimensional structures. Differently, a one‐dimensional chain structure of Eu‐6 was obtained by changing the ligand. All the six MOFs were applied to the catalytic reaction of C(sp3)–H bond, and it was found that the catalytic effect was gradually enhanced with the decrease of dimension and the increase of the size of channels. As expected, Eu‐6 showed the highest selectivity (~99%) and conversion (~99%). Moreover, catalytic cycling and stability tests showed Eu‐6 can be a reliable catalyst.
Chinese Journal of Chemistry – Wiley
Published: Feb 15, 2022
Keywords: Metal‐organic frameworks; Heterogeneous catalysis; Rare earths; Dimensional reduction; Selectively oxidize C(sp 3 )–H
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