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题名: Influence of Phosphine Concentration on Propylene Hydroformylation over the PPh3-Rh/SiO2 Catalyst
作者: Yan Li1;  Ding Yunjie1;  Liu Jia1;  Zhu Hejun1;  Lin Liwu1
关键词: triphenyl phosphine ;  rhodium ;  silica ;  phosphine/rhodium ratio ;  propylene ;  hydroformylation ;  nuclear magnetic resonance
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2011
DOI: 10.1016/S1872-2067(10)60156-8
卷: 32, 期:1, 页:31-35
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The effect of triphenyl phosphine concentration in the novel PPh3-Rh/SiO2 catalyst for propylene hydroformylation was studied and found an optimum P/Rh ratio of 15, a butyraldehyde till ratio of 14, a butyraldehyde TOF of 241 h(-1), and high catalytic stability for PPh3-Rh/SiO2. Solid-state P-31 NMR shows that in an atmosphere of syngas the physically adsorbed PPh3 migrates onto the surface of Rh/SiO2 where it chemically adsorbs and then promotes the in situ formation of carbonyl phosphine complexes.
关键词[WOS]: HETEROGENEOUS CATALYSTS ;  HOMOGENEOUS HYDROFORMYLATION ;  LIGAND ;  PRESSURE ;  SUPPORTS ;  ALKENES ;  OLEFINS
语种: 英语
WOS记录号: WOS:000287107200004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142326
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Yan Li,Ding Yunjie,Liu Jia,et al. Influence of Phosphine Concentration on Propylene Hydroformylation over the PPh3-Rh/SiO2 Catalyst[J]. CHINESE JOURNAL OF CATALYSIS,2011,32(1):31-35.
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