Negatively Charged N-Heterocyclic Carbene-Stabilized Pd and Au Nanoparticles and Efficient Catalysis in Water

被引：159

作者：

Ferry, Angelique ^{[1
]}

Schaepe, Kira ^{[1
]}

Tegeder, Patricia ^{[1
]}

Richter, Christian ^{[1
]}

Chepiga, Kathryn M. ^{[1
]}

Ravoo, Bart Jan ^{[1
]}

Glorius, Frank ^{[1
]}

机构：

[1] Univ Munster, Inst Organ Chem, D-48149 Munster, Germany

来源：

ACS CATALYSIS | 2015年 / 5卷 / 09期

关键词：

metallic nanoparticles; N-heterocyclic carbene; ligand exchange; catalysis; anionic nanoparticles; TRANSITION-METAL NANOPARTICLES; IONIC LIQUIDS; PALLADIUM NANOPARTICLES; RUTHENIUM NANOPARTICLES; GOLD NANOPARTICLES; HECK REACTION; HYDROGENATION; NANOCLUSTERS; NANOCRYSTALS; PRECURSORS;

D O I：

10.1021/acscatal.5b01160

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein we describe the synthesis of negatively charged N-heterocyclic carbene (NHC)-functionalized palladium and gold nanoparticles (NPs), which are stable in water for over 3 months. The formation of these NHC NPs proceeds via an efficient ligand exchange procedure. This method was successfully applied to different negatively charged NHCs bearing sulfonate and carboxylate groups. The obtained PdNPs were investigated as catalysts in hydrogenation reactions and showed high catalytic activity (TON up to 2500 and TOF up to 2000 h(-1)).

引用

页码：5414 / 5420

页数：7

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