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题名: Efficient Tandem Synthesis of Methyl Esters and Imines by Using Versatile Hydrotalcite-Supported Gold Nanoparticles
作者: 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
发表日期: 2012-09-01
DOI: 10.1002/chem.201202077
卷: 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
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.
关键词[WOS]: SOLVENT-FREE OXIDATION ;  ONE-POT SYNTHESIS ;  AEROBIC OXIDATION ;  SELECTIVE OXIDATION ;  PRIMARY ALCOHOLS ;  AU NANOPARTICLES ;  CATALYSTS ;  AMINES ;  ESTERIFICATION ;  ALDEHYDES
语种: 英语
WOS记录号: WOS:000308579100036
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142905
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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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

Recommended Citation:
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.
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