4.5 Article

Efficient hydrogenation of N-heteroarenes into N-heterocycles over MOF-derived CeO2 supported nickel nanoparticles

Journal

MOLECULAR CATALYSIS
Volume 540, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.mcat.2023.113052

Keywords

Nickel nanoparticles; Selective hydrogenation; N-heterocycles; Ceria oxide

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Highly efficient mesoporous CeO2 supported Ni catalysts were prepared by the incipient wet impregnation and high-temperature reduction. The synergistic effect between CeO2 and Ni nanoparticles was responsible for the superior catalytic performance in the selective hydrogenation of N-heteroarenes. Various N-heterocycles were obtained with yields of 86% to >99% at 120 degrees C, demonstrating the versatility of the developed method. This work is valuable for guiding the design and manipulation of low metal loading, cost-effective, and robust hydrogenation catalysts.
The selective hydrogenation of N-heteroarenes into N-heterocycles is a highly important organic transformation in fine chemical industry, as N-heterocycles are moieties in a variety of pharmaceutical and bioactive com-pounds. Here, we report highly efficient mesoporous CeO2 supported Ni catalysts prepared by the incipient wet impregnation and following high-temperature reduction for the selective hydrogenation of N-heteroarenes. The experiments indicated that the synergistic effect between CeO2 and Ni nanoparticles was responsible to the superior catalytic performance. Various kinds of N-heterocycles were obtained at 120 degrees C with yields of 86 similar to >99%, demonstrating the versatility of the developed method. This work is valuable for guiding the design and manipulation of low metal loading, cost-effective and robust hydrogenation catalysts.

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