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Efficient Tandem Synthesis of Methyl Esters and Imines by Using Versatile Hydrotalcite-Supported Gold Nanoparticles
Liu, Peng1; Li, Can2; Hensen, Emiel J. M.1
关键词Gold Heterogeneous Catalysis Supported Catalysts Oxidation Oxygen
刊名CHEMISTRY-A EUROPEAN JOURNAL
2012-09-01
DOI10.1002/chem.201202077
18期:38页:12122-12129
收录类别SCI ; IC
文章类型Article
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]SOLVENT-FREE OXIDATION ; ONE-POT SYNTHESIS ; AEROBIC OXIDATION ; SELECTIVE OXIDATION ; PRIMARY ALCOHOLS ; AU NANOPARTICLES ; CATALYSTS ; AMINES ; ESTERIFICATION ; ALDEHYDES
英文摘要Efficient basic hydrotalcite (HT)-supported gold nanoparticle (AuNP) catalysts have been developed for the aerobic oxidative tandem synthesis of methyl esters and imines from primary alcohols catalyzed under mild and soluble-base-free conditions. The catalytic performance can be fine-tuned for these cascade reactions by simple adjustment of the Mg/Al atomic ratio of the HT support. The one-pot synthesis of methyl esters benefits from high basicity (Mg/Al=5), whereas moderate basicity greatly improves imine selectivity (Mg/Al=2). These catalysts outperform previously reported AuNP catalysts by far. Kinetic studies show a cooperative enhancement between AuNP and the surface basic sites, which not only benefits the oxidation of the starting alcohol but also the subsequent steps of the tandem reactions. To the best of our knowledge, this is the first time that straightforward control of the composition of the support has been shown to yield optimum AuNP catalysts for different tandem reactions.
语种英语
WOS记录号WOS:000308579100036
引用统计
被引频次:55[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142905
专题中国科学院大连化学物理研究所
作者单位1.Eindhoven Univ Technol, Dept Chem Engn & Chem, NL-5600 MB Eindhoven, Netherlands
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Liu, Peng,Li, Can,Hensen, Emiel J. M.. Efficient Tandem Synthesis of Methyl Esters and Imines by Using Versatile Hydrotalcite-Supported Gold Nanoparticles[J]. CHEMISTRY-A EUROPEAN JOURNAL,2012,18(38):12122-12129.
APA Liu, Peng,Li, Can,&Hensen, Emiel J. M..(2012).Efficient Tandem Synthesis of Methyl Esters and Imines by Using Versatile Hydrotalcite-Supported Gold Nanoparticles.CHEMISTRY-A EUROPEAN JOURNAL,18(38),12122-12129.
MLA Liu, Peng,et al."Efficient Tandem Synthesis of Methyl Esters and Imines by Using Versatile Hydrotalcite-Supported Gold Nanoparticles".CHEMISTRY-A EUROPEAN JOURNAL 18.38(2012):12122-12129.
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