ICCAS OpenIR
Asymmetric hydrogenation of o-cresol and m-cresol catalyzed by silica-supported methylcellulose-L-alanine-Pd complex
Huang, K; Hu, J; Huang, MY; Jiang, YY
2001-11-01
Source PublicationPOLYMERS FOR ADVANCED TECHNOLOGIES
ISSN1042-7147
Volume12Issue:11-12Pages:711-715
AbstractSilica-supported methylcellulose-L-alanine-palladium complex (SiO2-MC-LA-Pd) has been prepared and found to be a high optically active catalyst for asymmetric hydrogenation of o-cresol and in-cresol to give (S)-2-methylcyclohexanone and (R)-3-methylcyclohexanone, respectively, at 25degreesC and under an atmospheric hydrogen pressure. The optical yields of (S)-2-methylcyclohexanone and (R)-3-methylcyclohexanone amounted to 91.5 and 68.5%, respectively, when optimum I'd content in SiO2-MC-LA-Pd complex, reaction temperature and solvent were selected. SiO2-MC-LA-Pd catalyst also has shown high stability. The optical yields for (S)-2-methylcyclohexanone and (R)-3-methylcyclohexanone were kept over 90 and 60%, respectively, when the catalyst was reused several times. Moreover, SiO2-MC-LA-Pd complex is an economical catalyst. The methylcellulose is an abundant natural biopolymer and the procedure for preparation of the complex is very simple. Copyright (C) 2001 John Wiley Sons, Ltd.
KeywordMethylcellulose-l-alanine-pd Complex Chiral Catalyst Asymmetric Hydrogenation O-cresol M-cresol
Indexed ByISTP ; SCI
Language英语
WOS IDWOS:000173124400016
PublisherJOHN WILEY & SONS LTD
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77162
Collection中国科学院化学研究所
Corresponding AuthorHuang, K
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Huang, K,Hu, J,Huang, MY,et al. Asymmetric hydrogenation of o-cresol and m-cresol catalyzed by silica-supported methylcellulose-L-alanine-Pd complex[J]. POLYMERS FOR ADVANCED TECHNOLOGIES,2001,12(11-12):711-715.
APA Huang, K,Hu, J,Huang, MY,&Jiang, YY.(2001).Asymmetric hydrogenation of o-cresol and m-cresol catalyzed by silica-supported methylcellulose-L-alanine-Pd complex.POLYMERS FOR ADVANCED TECHNOLOGIES,12(11-12),711-715.
MLA Huang, K,et al."Asymmetric hydrogenation of o-cresol and m-cresol catalyzed by silica-supported methylcellulose-L-alanine-Pd complex".POLYMERS FOR ADVANCED TECHNOLOGIES 12.11-12(2001):711-715.
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