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题名: Synthesis of novel P-ketimine bidentate ferrocenyl ligands with central and planar chirality and comparsion in the catalytic activity between P-ketimine and P-aldimine
作者: Hu, XP;  Chen, HL;  Dai, HC;  Zheng, Z
刊名: TETRAHEDRON-ASYMMETRY
发表日期: 2003-10-31
DOI: 10.1016/j.tetasy.2003.09.034
卷: 14, 期:21, 页:3415-3421
收录类别: SCI ;  IC ;  CCR
文章类型: Article
部门归属: 206
项目归属: 206
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear ;  Chemistry, Organic ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: A series of novel ferrocenylphosphine-ketimine ligands 6 were prepared by reaction of (R,S-p)-PPFNH2-R or (S,S-p)-PPFNH2 with a variety of m-substituted acetophenones. A different catalytic activity was observed between ferrocenylphosphine-ketimine ligands and corresponding aldimine ligands. The efficiency and diastereomeric impact of these ferrocenylphosphine-ketimine ligands in Pd-catalyzed asymmetric allylic alkylation were first investigated, and higher enantioselectivity of over 98% e.e. with 95% yield was obtained by the use of ferrocenylphosphine-ketimine ligands. However, in Rh-catalyzed asymmetric hydrosilylation of aryl ketones, only 42% e.e. was obtained by the use of ferrocenylphosphine-ketimine ligands compared to 90% e.e. with the use of aldimine ligands. (C) 2003 Elsevier Ltd. All rights reserved.
关键词[WOS]: ASYMMETRIC ALLYLIC ALKYLATION ;  TRANSITION-METAL-COMPLEXES ;  ENANTIOSELECTIVE HYDROSILYLATION ;  SUBSTITUTION-REACTIONS ;  AMIDINE LIGANDS ;  HYBRID LIGANDS ;  IMINE LIGANDS ;  PALLADIUM ;  KETONES ;  BACKBONE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000186352300024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82831
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, Dalian 116023, Peoples R China

Recommended Citation:
Hu, XP,Chen, HL,Dai, HC,et al. Synthesis of novel P-ketimine bidentate ferrocenyl ligands with central and planar chirality and comparsion in the catalytic activity between P-ketimine and P-aldimine[J]. TETRAHEDRON-ASYMMETRY,2003,14(21):3415-3421.
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