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题名: Dimerization of propylene by bis(beta-ketiminate) nickel(II) and cobalt(II) catalysts in the presence of organoaluminum activator and phosphine ligand
作者: Wu, SZ;  Lu, SW
关键词: bis(p-ketiminate) nickel(II) and cobalt(II) complexes ;  dimerization of propylene ;  Al co-catalyst ;  phosphine ligand
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2003-06-30
DOI: 10.1016/S0926-860X(03)00056-5
卷: 246, 期:2, 页:295-301
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: A preliminary study of the catalytic behavior of bis(beta-ketiminate) nickel(II) and cobalt(II) complexes in the dimerization of propylene was undertaken in combination with organoaluminum co-catalyst and ancillary phosphine ligand. The effects of type and relative amounts of aluminum co-catalyst as well as the nature of nickel and cobalt precatalysts were investigated. The results showed that the presence of ancillary phosphine ligand deeply modified the activity and selectivity of catalytic system, especially at the reaction temperature below 0 degreesC. An extremely high turnover frequency up to 268,000 h(-1) and a rather hi-h selectivity to dimers (95.6%) by the bis(N-(2,6-dimethylphenyl)-4-aminopent-3-en-2-ono) nickel(II) complex (1c) in the presence of Et3Al2Cl3 and PCy3 was achieved in the propylene dimerization under appropriate reaction conditions. (C) 2003 Elsevier Science B.V. All rights reserved.
关键词[WOS]: ZIEGLER-TYPE CATALYSTS ;  COMPLEXES ;  2,3-DIMETHYLBUTENES ;  OLIGOMERIZATION ;  COCATALYSTS ;  ETHYLENE ;  CHEMISTRY
语种: 英语
WOS记录号: WOS:000184026400010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138315
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, Natl Engn Res Ctr Catalysis, Dalian 116011, Liaoning, Peoples R China
2.Dalian Chem Phy Chem Co Ltd, Dalian 116011, Peoples R China

Recommended Citation:
Wu, SZ,Lu, SW. Dimerization of propylene by bis(beta-ketiminate) nickel(II) and cobalt(II) catalysts in the presence of organoaluminum activator and phosphine ligand[J]. APPLIED CATALYSIS A-GENERAL,2003,246(2):295-301.
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