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题名: Cyclopropanation on a highly active heterogeneous catalyst: CuO/TiO2-Al2O3
作者: Liu, X;  Liu, Y;  Li, XH;  Xiang, S;  Zhang, YL;  Ying, PL;  Wei, ZB;  Li, C
关键词: styrene ;  2,5-dimethyl-2,4-hexadiene ;  cyclopropanation ;  heterogeneous catalysts ;  CuO/TiO2-al(2)O(3)
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2003-01-30
卷: 239, 期:1-2, 页:279-286
收录类别: SCI
文章类型: Article
部门归属: 503
项目归属: 503
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: Some heterogeneous catalysts, cupric oxide supported on different supports, were prepared and employed to catalyze the cyclopropanation of styrene and 2,5-dimethyl-2,4-hexadiene with ethyl diazoacetate (EDA). The catalytic performance for cyclopropanation strongly depends on the nature of the support. A novel catalyst, CUO/TiO2-Al2O3, in which Al2O3 is modified with a monolayer TiO2, is found to be most active and selective for the cyclopropanation reaction. The yields of 93 and 94% cyclopropanes are obtained for styrene and 2,5-dimethyl-2,4-hexadiene at 40 degreesC as the substrates, respectively. The activity and selectivity in cyclopropanes are optimized with a monolayer dispersion of cupric oxide on the corresponding supports. (C) 2002 Elsevier Science B.V. All rights reserved.
关键词[WOS]: POLYPYRAZOLYLBORATE COPPER(I) COMPLEXES ;  METAL CARBENE TRANSFORMATIONS ;  OLEFINS ;  RAMAN
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000180992500026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82901
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Liu, X,Liu, Y,Li, XH,et al. Cyclopropanation on a highly active heterogeneous catalyst: CuO/TiO2-Al2O3[J]. APPLIED CATALYSIS A-GENERAL,2003,239(1-2):279-286.
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