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Asymmetric addition of KCN and Ac2O to aldehydes catalyzed by recyclable polymeric salen-Ti(IV) complexes
Huang, W; Song, YM; Bai, CM; Cao, GY; Zheng, Z
KeywordO-acetyl Cyanohydrins Recyclable Polymeric Salen-ti(Iv) Complexes Potassium Cyanide Aldehyde Asymmetric Cyanation
Source PublicationTETRAHEDRON LETTERS
2004-06-07
DOI10.1016/j.tetlet.2004.04.086
Volume45Issue:24Pages:4763-4767
Indexed BySCI ; IC ; CCR
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Organic
WOS Research AreaChemistry
WOS KeywordHIGHLY ENANTIOSELECTIVE RESOLUTION ; SALEN COMPLEXES ; TERMINAL EPOXIDES ; CYANOHYDRINS ; CYANOSILYLATION ; CYANIDE ; EPOXIDATION ; CYANATION ; KETONES
AbstractPolymeric salen-Ti(IV) complexes were employed in the enantioselective O-acetyl cyanation of aldehydes with KCN and Ac2O. The polymeric catalysts with appropriate crosslinking degree exhibited good activities and enantioselectivities, up to 94% yield and 91% ee were obtained at -20degreesC with 1 mol% of catalyst (based on bimetallic catalytic unit). Moreover, the crosslinked polymeric catalyst could be easily recovered and reused for six consecutive runs without obvious decrease in activity and enantioselectivity. (C) 2004 Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000221801100039
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/139569
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
Huang, W,Song, YM,Bai, CM,et al. Asymmetric addition of KCN and Ac2O to aldehydes catalyzed by recyclable polymeric salen-Ti(IV) complexes[J]. TETRAHEDRON LETTERS,2004,45(24):4763-4767.
APA Huang, W,Song, YM,Bai, CM,Cao, GY,&Zheng, Z.(2004).Asymmetric addition of KCN and Ac2O to aldehydes catalyzed by recyclable polymeric salen-Ti(IV) complexes.TETRAHEDRON LETTERS,45(24),4763-4767.
MLA Huang, W,et al."Asymmetric addition of KCN and Ac2O to aldehydes catalyzed by recyclable polymeric salen-Ti(IV) complexes".TETRAHEDRON LETTERS 45.24(2004):4763-4767.
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