Pd Nanoparticles Immobilized on Supported Magnetic GO@PAMPS as an Auspicious Catalyst for Suzuki-Miyaura Coupling Reaction

被引：38
作者：
Asadi, Shima [1 ]
Sedghi, Roya [2 ]
Heravi, Majid M. [1 ]
机构：
[1] Alzahra Univ, Dept Chem, Tehran, Iran
[2] Shahid Beheshti Univ, GC, Dept Polymer & Mat Chem, Fac Chem & Petr Sci, Tehran 1983969411, Iran
来源：
CATALYSIS LETTERS | 2017年 / 147卷 / 08期
基金：
美国国家科学基金会;
关键词：
Graphene oxide (GO); Palladium nanoparticles (Pd-NPs); Suzuki-Miyaura reaction; Heterogeneous catalyst; Magnetic nanoparticles; Pd-catalyzed reaction; GRAPHENE OXIDE; REGIOSELECTIVE SYNTHESIS; PALLADIUM NANOPARTICLES; RECYCLABLE CATALYST; REUSABLE CATALYST; HIGHLY EFFICIENT; GENE DELIVERY; HYDROGEL; COMPOSITE; CHEMISTRY;
D O I：
10.1007/s10562-017-2089-2
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：
A novel catalytic system based on palladium nanoparticles (Pd-NPs) immobilized onto the surface of graphene oxide (GO) modified by poly 2-acrylamido-2-methyl-1-propansulfonic acid decorated with magnetic Fe3O4 was designed, prepared and fully characterized. It was successfully examined as a highly efficient heterogeneous catalyst in the Suzuki-Miyaura cross coupling reaction. The results showed excellent catalytic activity for the cross coupling of aryl bromides, alkyl iodides as well as aryl chlorides as the challenging substrates. It was easily separated by an external magnet and reused without any pre-activation at least in seven consecutive runs without any loss in its catalytic activity as well as any detectable Pd leaching. This study demonstrates the great potential of polymeric-functionalized GO as a support owing to its high loading and suitable dispersing of Pd-NPs, for the development of metal-graphene nanocomposites in industrial scale. [GRAPHICS] .
引用
收藏
页码：2045 / 2056
页数：12
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