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题名: Palladium Supported on Metformin-Functionalized Magnetic Polymer Nanocomposites: A Highly Efficient and Reusable Catalyst for the Suzuki-Miyaura Coupling Reaction
作者: Yang, PB; Ma, R; Bian, FL
收录类别: SCIE
出版日期: 2016-12-19
刊名: CHEMCATCHEM
卷号: 8, 期号:1-24, 页码:3746-3754
出版者: WILEY
出版地: WEINHEIM
英文摘要: In this paper, a novel magnetically responsive nanocatalyst, Pd/Fe3O4@PMAA-Met (PMAA=poly(methacrylic acid), Met=metformin), has been successfully prepared by immobilizing palladium on the surface of metformin-functionalized magnetic polymer nanocomposites. This novel nanocatalyst was characterized by FTIR, XRD, TEM, X-ray photoelectron spectroscopy (XPS), and vibrating sample magnetometry (VSM). The prepared nanocatalyst showed excellent catalytic activity for Suzuki-Miyaura coupling reactions of aryl halides (I, Br, Cl) with arylboronic acids even at palladium loadings of 0.01-0.0007 mol% and the turnover frequency (TOF) reached up to 125714 h(-1). The excellent activity of this Pd/Fe3O4@PMAA-Met catalyst could be attributed to a "release and catch" catalytic mechanism as well as its nanometer size. This nanocatalyst could be simply separated with an external magnet and reused at least twelve times with excellent yields achieved.
关键词: heterogeneous catalyst ; nanocomposites ; palladium ; supported catalysts ; Suzuki coupling reactions
作者部门: [Yang, Pengbo ; Ma, Rong ; Bian, Fengling] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
通讯作者: Bian, FL (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China.
学科分类: Chemistry
文章类型: Article
所属项目编号: National Science Foundation for Fostering Talents in Basic Research of the National Natural Science Foundation of China [J1103307]
所属项目名称: 国家基础科学人才培养基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1002/cctc.201600994
ISSN号: 1867-3880
WOS记录号: WOS:000397015100010
IR记录号: WOS:000397015100010
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/188993
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Yang, PB,Ma, R,Bian, FL. Palladium Supported on Metformin-Functionalized Magnetic Polymer Nanocomposites: A Highly Efficient and Reusable Catalyst for the Suzuki-Miyaura Coupling Reaction[J]. CHEMCATCHEM,2016,8(1-24):3746-3754.
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