Related Products of 2343-22-8. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 5-Fluoroindoline, is researched, Molecular C8H8FN, CAS is 2343-22-8, about Dual-Active-Sites Design of Co@C Catalysts for Ultrahigh Selective Hydrogenation of N-Heteroarenes. Author is Zhang, Sai; Gan, Jie; Xia, Zhaoming; Chen, Xiao; Zou, Yong; Duan, Xuezhi; Qu, Yongquan.
Herein, a general yet powerful strategy to design and fabricate dual-active-sites Co@C core-shell nanoparticle for boosting selective hydrogenation of various N-heteroarenes was reported. It could break the limitation of scaling relation on traditional metal surfaces and thus afford unprecedentedly high selectivity, activity and stability. Combining kinetics anal. and DFT calculations with multiple techniques directly unveil that the critical porous carbon shell with a pore size of 0.53 nm not only allowed H2 diffusion to Co sites for activation and blocked accessibility of N-heteroarenes but also catalyzed hydrogenation of N-heteroarenes via hydrogen spillover from Co sites. In addition, the presence of surface/subsurface carbon at the Co sites showed high anti-sulfur poisoning and anti-oxidant capability. This work was valuable for guiding the design and manipulation of cost-effective and robust hydrogenation catalysts.
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Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics