ICCAS OpenIR
Asymmetric hydrogenation of alpha-diketones over polymer-stabilized and supported platinum clusters
Zuo, XB; Liu, HF; Tian, JF
2000-06-20
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN1381-1169
Volume157Issue:1-2Pages:217-224
AbstractThe asymmetric hydrogenation of alpha-diketones was investigated over finely dispersed polymer-stabilized and supported platinum clusters. It was shown that the rate-accelerating effect of cinchonidine in this reaction was much less pronounced than the case of Pt/cinchona/alpha-ketoester system. The activity and enantiomeric excess (e.e.) for 3-hydroxy-2-butanone reached maximum when the molar ratio of the modifier to reactant was about 1:650. There was no close correlation between the catalytic performance of the platinum clusters and the polarity of the solvents, whereas good enantioselectivity (> 40%) as well as activity could be obtained in a mixture of dichloromethane and ethanol. (C) 2000 Elsevier Science B.V. All rights reserved.
KeywordAlpha-diketone Cinchonidine Platinum Cluster Hydrogenation Enantioselectivity
Indexed BySCI
Language英语
WOS IDWOS:000087952600027
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76286
Collection中国科学院化学研究所
Corresponding AuthorLiu, HF
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, PCLCC, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zuo, XB,Liu, HF,Tian, JF. Asymmetric hydrogenation of alpha-diketones over polymer-stabilized and supported platinum clusters[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2000,157(1-2):217-224.
APA Zuo, XB,Liu, HF,&Tian, JF.(2000).Asymmetric hydrogenation of alpha-diketones over polymer-stabilized and supported platinum clusters.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,157(1-2),217-224.
MLA Zuo, XB,et al."Asymmetric hydrogenation of alpha-diketones over polymer-stabilized and supported platinum clusters".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 157.1-2(2000):217-224.
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