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题名: Hydroformylation of olefins catalyzed by Rh(sox)(CO)(2)-phosphorous ligand systems
作者: Chen, WZ;  Xu, Y;  Liao, SJ
关键词: hydroformylation ;  Rh catalyst ;  salicylaldoximate ligand
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 1998-03-06
卷: 129, 期:2-3, 页:153-158
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Dicarbonylsalicylaldoximatorhodium (Rh(sox)(CO)(2)) combined with phosphorous ligands exhibits high activity for hydroformylation of olefins under mild conditions. The reaction rate and regioselectivity strongly depend on the phosphorous ligands and substrate. In the case of styrene, the branched aldehyde is the major product, almost pure 2-phenylpropanal can be afforded at 1.0 MPa. In the case of 1-hexene, n-aldehyde is predominant over iso-aldehyde. Diphosphine ligands are much more active than monophosphine ligands, but the latter give higher regioselectivity for n-aldehyde. Increasing the CO/H-2 ratio results in a decrease of reaction rate and the regioselectivity towards n-aldehyde, probably due to the formation of more hydridic LnRhH. These catalytic systems are inert for hydrogenation of olefins under hydroformylation reaction conditions, but isomerization of 1-hexene was found and it may be inhibited by an excess of phosphines. (C) 1998 Elsevier Science B.V.
关键词[WOS]: SYN-GAS REACTIONS ;  ATMOSPHERIC-PRESSURE ;  RHODIUM(I) COMPLEXES ;  STYRENE
语种: 英语
WOS记录号: WOS:000073265400006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138144
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Nanjing Univ, State Key Lab Coordinat Chem, Inst Coordinat Chem, Nanjing 210093, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Chen, WZ,Xu, Y,Liao, SJ. Hydroformylation of olefins catalyzed by Rh(sox)(CO)(2)-phosphorous ligand systems[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,1998,129(2-3):153-158.
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