ICCAS OpenIR
Enantioselective hydrogenation of methyl pyruvate over polymer-stabilized and supported iridium clusters
Zuo, XB; Liu, HF; Yue, C
1999-11-17
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN1381-1169
Volume147Issue:1-2Pages:63-72
AbstractThe enantioselective hydrogenation of methyl pyruvate was studied over finely dispersed polyvinylpyrrolidone-stabilized iridium (PVP-Ir) and the corresponding alumina-supported iridium cluster (Al2O3-Ir) modified with cinchonidine. It was found that the modifier, apart from inducing enantioselectivity, has a considerable rate-promoting effect on this reaction with the average rate increased by a actor of 2-3.5 over both the two kinds of catalysts. Favorable reaction parameters were 283 K, 4.0 MPa and alcohols or acetic acid as solvents. Similar to what had been reported in Pt/cinchona system, the highest value of the enantiomeric excess (34.1%) was obtained in acetic acid, accompanied by a marked enhancement of the reaction rate. (C) 1999 Elsevier Science B.V. All rights reserved.
KeywordIridium Methyl Pyruvate Cinchonidine Enantioselective Hydrogenation Rate-promoting Effect
Indexed ByISTP ; SCI
Language英语
WOS IDWOS:000083978400010
PublisherELSEVIER SCIENCE BV
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74872
Collection中国科学院化学研究所
Corresponding AuthorLiu, HF
Affiliation1.Chinese Acad Sci, Polymer Chem Lab, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Chem, China PetroChem Corp, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zuo, XB,Liu, HF,Yue, C. Enantioselective hydrogenation of methyl pyruvate over polymer-stabilized and supported iridium clusters[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,1999,147(1-2):63-72.
APA Zuo, XB,Liu, HF,&Yue, C.(1999).Enantioselective hydrogenation of methyl pyruvate over polymer-stabilized and supported iridium clusters.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,147(1-2),63-72.
MLA Zuo, XB,et al."Enantioselective hydrogenation of methyl pyruvate over polymer-stabilized and supported iridium clusters".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 147.1-2(1999):63-72.
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