Ullmann Homocoupling Catalysed by Gold Nanoparticles in Water and Ionic Liquid

被引：48
作者：
Monopoli, Antonio [1 ]
Cotugno, Pietro
Palazzo, Gerardo
Ditaranto, Nicoletta
Mariano, Bruno
Cioffi, Nicola
Ciminale, Francesco
Nacci, Angelo [1 ]
机构：
[1] Univ Bari Aldo Moro, Dept Chem, CNR ICCOM, Via Orabona 4, I-70126 Bari, Italy
来源：
ADVANCED SYNTHESIS & CATALYSIS | 2012年 / 354卷 / 14-15期
关键词：
gold; ionic liquids; nanoparticles; Ullmann reaction; AEROBIC OXIDATION; PHENYLBORONIC ACID; HETEROGENEOUS CATALYSTS; ALKALINE-DEGRADATION; COUPLING REACTIONS; COMPLEXES; ALCOHOLS; GLUCOSE; SIZE; PHENYLACETYLENE;
D O I：
10.1002/adsc.201200422
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The gold-catalysed Ullmann-type homocoupling of aryl halides is carried out with two different methodologies: (i) under micellar catalysis conditions in water and (ii) using a molten tetralkylammonium ionic liquid as the reaction medium. Glucose is used as a clean and renewable reductant. Morphology, size, and chemical composition of the gold nanoparticles were ascertained by X-ray photoelectron spectroscopy, transmission electron microscopy and dynamic light scattering analyses. A plausible reaction mechanism is proposed.
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页码：2777 / 2788
页数：12
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