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An unexpected effect of water on the asymmetric hydrogenation of alpha-ketoesters on platinum nanoparticles confined in carbon nanotubes
Guan, Zaihong; Lu, Shengmei; Chen, Zhijian; Li, Can
关键词Carbon Nanotubes Water Effect Asymmetric Hydrogenation
刊名JOURNAL OF CATALYSIS
2013-09-01
DOI10.1016/j.jcat.2013.04.021
305页:19-26
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]ENANTIOSELECTIVE HYDROGENATION ; ICE NANOTUBES ; ADSORPTION ; CATALYSIS ; LIQUID ; IRON ; NANOFIBERS ; PALLADIUM
英文摘要The influence of water on asymmetric hydrogenation of alpha-ketoesters on platinum nanoparticles confined in the channels of carbon nanotubes was investigated. As high as 95% enantioselectivity is achieved in the asymmetric hydrogenation of ethyl pyruvate in acetic acid/water solution compared with 86% enantioselectivity obtained in anhydrous acetic acid. The adsorption experiment confirmed that the presence of water can enrich the chiral modifier cinchonidine in the channels 3900 times of that in solution and also enhance the ability of the channels to discriminate between the reactant and product molecules with only small hydrophobic/hydrophilic difference that kinetically favors the catalytic reaction in the channels of carbon nanotubes. (C) 2013 Published by Elsevier Inc.
语种英语
WOS记录号WOS:000322501000003
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被引频次:11[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/321008/137782
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Guan, Zaihong,Lu, Shengmei,Chen, Zhijian,et al. An unexpected effect of water on the asymmetric hydrogenation of alpha-ketoesters on platinum nanoparticles confined in carbon nanotubes[J]. JOURNAL OF CATALYSIS,2013,305:19-26.
APA Guan, Zaihong,Lu, Shengmei,Chen, Zhijian,&Li, Can.(2013).An unexpected effect of water on the asymmetric hydrogenation of alpha-ketoesters on platinum nanoparticles confined in carbon nanotubes.JOURNAL OF CATALYSIS,305,19-26.
MLA Guan, Zaihong,et al."An unexpected effect of water on the asymmetric hydrogenation of alpha-ketoesters on platinum nanoparticles confined in carbon nanotubes".JOURNAL OF CATALYSIS 305(2013):19-26.
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