Journal
INORGANIC CHEMISTRY FRONTIERS
Volume 9, Issue 19, Pages 4899-4906Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2qi01218a
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Funding
- National Natural Science Foundation of China [22038011, 21872109, 22002115]
- Fundamental Research Funds for the Central Universities [D5000210283, D5000210601, D5000210829]
- Guangdong Basic and Applied Basic Research Foundation [2022B1515020092]
- Young Elite Scientists Sponsorship Program by CAST [2019QNRC001]
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In this study, Pd nanoparticles anchored on ultrathin plate-like porous magnesium hydrate (Mg(OH)(2)) supports were used for the highly selective synthesis of benzylamine from benzonitrile hydrogenation. The strong electronic metal-support interaction between Pd nanoparticles and Mg(OH)(2) supports enhanced the electronic density of Pd nanoparticles, leading to high catalytic activity and selectivity.
Nitrile hydrogenation represents an atom-economical and green approach to yield the highly value-added primary amines, which suffers from harsh conditions and serious selectivity challenges. Herein, we demonstrated Pd nanoparticles anchored on ultrathin plate-like porous magnesium hydrate (Mg(OH)(2)) supports for the highly selective synthesis of benzylamine from benzonitrile hydrogenation in the absence of additives at 30 degrees C. Such a selectively catalytic performance could be attributed to the enriched electronic density of Pd nanoparticles on the basic supports of Mg(OH)(2), owing to the strong electronic metal-support interaction. Pd nanoparticles with high electronic density can significantly weaken the strong adsorption of benzylamine, subsequently avoiding the deactivation of catalysts at low temperatures and suppressing the side reactions. We anticipate that the electronic modification of active sites through metal-support interaction provides a feasible strategy for the optimization of metal catalysts.
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