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题名: Asymmetric cyclopropanation of styrene with ethyl diazoacetate using a N2P2-ligand ruthenium(II) catalyst: axial ligand controlled enantioselectivity
作者: Zheng, Z;  Yao, XQ;  Li, C;  Chen, HL;  Hu, XQ
刊名: TETRAHEDRON LETTERS
发表日期: 2001-04-09
卷: 42, 期:15, 页:2847-2849
收录类别: SCI ;  CCR
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Organic
研究领域[WOS]: Chemistry
英文摘要: The N2P2-Ru(II) complex 1, activated by silver triflate, exhibited good catalytic activity but low enantioselectivity in the asymmetric cyclopropanation of styrene with ethyl diazoacetate. N-Donor additives were introduced into the activated system as axial ligands to improve the ee's for this reaction. Up to 90% ee for cis-isomers was achieved by using 2,4,6-collidine as an additive. (C) 2001 Elsevier Science Ltd. All rights reserved.
关键词[WOS]: BIS-OXAZOLINE LIGANDS ;  RAY CRYSTAL-STRUCTURE ;  COBALT(II) COMPLEXES ;  CHIRAL LIGANDS ;  OLEFINS ;  BISFERROCENYLDIAMINES
语种: 英语
WOS记录号: WOS:000168048600024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138883
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:
Zheng, Z,Yao, XQ,Li, C,et al. Asymmetric cyclopropanation of styrene with ethyl diazoacetate using a N2P2-ligand ruthenium(II) catalyst: axial ligand controlled enantioselectivity[J]. TETRAHEDRON LETTERS,2001,42(15):2847-2849.
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