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Asymmetric cyclopropanation of styrene catalyzed by Cu-(chiral Schiff-base) complexes
Li, ZN; Liu, GS; Zheng, Z; Chen, HL
KeywordAsymmetric Cyclopropanation Styrene Schiff Base
Source PublicationTETRAHEDRON
2000-09-08
Volume56Issue:37Pages:7187-7191
Indexed ByIC ; CCR ; SCI
SubtypeArticle
Department2
Funding Project206
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Organic
WOS Research AreaChemistry
WOS KeywordCOPPER CARBENOID REACTION ; STEREOSELECTIVE SYNTHESIS ; OLEFINS
AbstractAsymmetric cyclopropanation of olefins was carried out with chiral copper-Schiff base complexes derived from copper acetate monohydrate, substituted salicylaldehydes and a chiral amino alcohol. Substituents on salicylaldehyde framework demonstrate a significant effect on the steroselectivities. Those with electron-withdrawing properties enhance the selectivities, whereas bulky sustituents in ortho position to the phenol hydroxy group decrease the selectivities. An ee of more than 98% was achieved for the reaction of styrene with diazoacetate. (C) 2000 Elsevier Science Ltd. All rights reserved.
Language英语
URL查看原文
WOS IDWOS:000089149200010
Citation statistics
Cited Times:49[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/83959
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Li, ZN,Liu, GS,Zheng, Z,et al. Asymmetric cyclopropanation of styrene catalyzed by Cu-(chiral Schiff-base) complexes[J]. TETRAHEDRON,2000,56(37):7187-7191.
APA Li, ZN,Liu, GS,Zheng, Z,&Chen, HL.(2000).Asymmetric cyclopropanation of styrene catalyzed by Cu-(chiral Schiff-base) complexes.TETRAHEDRON,56(37),7187-7191.
MLA Li, ZN,et al."Asymmetric cyclopropanation of styrene catalyzed by Cu-(chiral Schiff-base) complexes".TETRAHEDRON 56.37(2000):7187-7191.
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