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题名: Heterogeneous enantioselective hydrogenation of isophorone over proline modified Pd catalysts
作者: Zhan, Ensheng;  Li, Shuang;  Xu, Yide;  Shen, Wenjie
通讯作者: 申文杰
关键词: enantioselective hydrogenation ;  isophorone ;  Pd catalysts ;  proline ;  kinetic resolution
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2007-08-01
DOI: 10.1016/j.catcom.2006.11.014
卷: 8, 期:8, 页:1239-1243
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 501
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Enantioselective hydrogenation of isophorone (3,5,5-trimethyl-2-cyclohexenone) over (S)-proline modified Pd catalysts has been studied. Both the Pd particle size and the acid-base properties of the support influenced the hydrogenation reaction of isophorone and the subsequent kinetic resolution of 3,3,5-trimethylcyclohexanone (TMCH). This was explained by assuming the reaction pathway as a consequential process. The rapid hydrogenation of isophorone initially yielded racemic TMCH, and then the slow kinetic resolution consumed the (R)-TMCH, leaving (S)-TMCH in excess. Most promisingly, the Pd/MgO catalyst with enhanced adsorption of proline and moderate Pd particle sizes resulted in high enantioselectivity (ee of 95%) and 43% yield of TMCH. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: KETONES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000248075700014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98559
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, Liaoning, Peoples R China

Recommended Citation:
Zhan, Ensheng,Li, Shuang,Xu, Yide,et al. Heterogeneous enantioselective hydrogenation of isophorone over proline modified Pd catalysts[J]. CATALYSIS COMMUNICATIONS,2007,8(8):1239-1243.
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