ICCAS OpenIR
A highly effective water-soluble polymer-supported catalyst for the two-phase asymmetric hydrogenation: preparation and use of a PEG-bound BINAP ligand
Fan, QH; Deng, GJ; Chen, XM; Xie, WC; Jiang, DZ; Liu, DS; Chan, ASC
2000-09-22
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN1381-1169
Volume159Issue:1Pages:37-43
AbstractA new type of amphiphilic PEG-bound BINAP ligand was synthesized through polycondensation of 5,5'-diamino BINAP (1), polyethylene glycol and terephthalyol chloride in the presence of pyridine. It was proven that ruthenium complex based on the new polymeric ligand was an effective catalyst for the asymmetric hydrogenation of prochiral alpha,beta-unsaturated carboxylic acids in both ethyl acetate/water two-phase and in methanolic solvent systems. The activity and/or enantioselectivity in two-phase systems were observed to be higher than that in ethyl acetate or methanol-water homogeneous systems. The replacement of water with ethylene glycol increased the activity and enantioselectivity. The activity of the new catalyst was shown to be about 30 times higher in the two-phase hydrogenation of 2-(6'-methoxy-2'-naphthyl)-acrylic acid than the Ru(BINAP-4SO(3)Na) catalyst without the long hydrophilic polymer chain, which illustrated the importance of the amphiphilic structure of the polymeric ligand. (C) 2000 Elsevier Science B.V. All rights reserved.
KeywordWater-soluble Catalyst Polymer-supported Catalyst Phosphine Asymmetric Hydrogenation Amphiphile
Indexed ByISTP ; SCI
Language英语
WOS IDWOS:000089387500007
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76448
Collection中国科学院化学研究所
Corresponding AuthorChan, ASC
Affiliation1.Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Hong Kong, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Fan, QH,Deng, GJ,Chen, XM,et al. A highly effective water-soluble polymer-supported catalyst for the two-phase asymmetric hydrogenation: preparation and use of a PEG-bound BINAP ligand[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2000,159(1):37-43.
APA Fan, QH.,Deng, GJ.,Chen, XM.,Xie, WC.,Jiang, DZ.,...&Chan, ASC.(2000).A highly effective water-soluble polymer-supported catalyst for the two-phase asymmetric hydrogenation: preparation and use of a PEG-bound BINAP ligand.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,159(1),37-43.
MLA Fan, QH,et al."A highly effective water-soluble polymer-supported catalyst for the two-phase asymmetric hydrogenation: preparation and use of a PEG-bound BINAP ligand".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 159.1(2000):37-43.
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