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2-Chloro/phenyl-7-arylimino-6,6-dimethylcyclopenta[b]pyridylnickel chlorides: Synthesis, characterization and ethylene oligomerization
Suo, Hongyi1,2,3; Zhang, Youfu1,2,4; Ma, Zhifeng1,2,3; Yang, Wenhong1,2,3; Flisak, Zygmunt1,2,5; Hao, Xiang1,2; Hu, Xinquan4; Sun, Wen-Hua1,2,6
2017-12-01
Source PublicationCATALYSIS COMMUNICATIONS
Volume102Pages:26-30
Abstract2-Chloro/pheny1-7-arylimino-6,6-dimethylcyclopenta[b]pyridylnickel chlorides (Nil-Ni8) were synthesized from the respective ligands L1-L8 and characterized. Upon activation with either methylaluminoxane (MAO) or ethylaluminium sesquichloride (EASC), they show high catalytic activity of up to 10.84 x 10(6) g(oligomer) mol(-1)(Ni) h(-1) in ethylene oligomerization. The products range froth butenes to dodecenes for Ni1-Ni4, but are limited to butenes and hexenes in the case of Ni5-Ni8. DFT calculations indicate that the Ni-C bond length in the model alkyl complexes depends both on the nature of the substituents at the heterocycles and the kind of the alkyl group, shedding some light on the preferences of the precatalysts toward oligomers or polyethylene.
KeywordNickel Precatalyst Ethylene Oligomerization Substituent Influence 7-aryliminocyclopenta[b]Pyridine
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/41268
Collection工程塑料实验室
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, CAS Res Educ Ctr Excellence Mol Sci, Beijing 100049, Peoples R China
4.Zhejiang Univ Technol, Coll Chem Engn, Hangzhou 310014, Zhejiang, Peoples R China
5.Univ Opole, Fac Chem, Oleska 48, PL-45052 Opole, Poland
6.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Suo, Hongyi,Zhang, Youfu,Ma, Zhifeng,et al. 2-Chloro/phenyl-7-arylimino-6,6-dimethylcyclopenta[b]pyridylnickel chlorides: Synthesis, characterization and ethylene oligomerization[J]. CATALYSIS COMMUNICATIONS,2017,102:26-30.
APA Suo, Hongyi.,Zhang, Youfu.,Ma, Zhifeng.,Yang, Wenhong.,Flisak, Zygmunt.,...&Sun, Wen-Hua.(2017).2-Chloro/phenyl-7-arylimino-6,6-dimethylcyclopenta[b]pyridylnickel chlorides: Synthesis, characterization and ethylene oligomerization.CATALYSIS COMMUNICATIONS,102,26-30.
MLA Suo, Hongyi,et al."2-Chloro/phenyl-7-arylimino-6,6-dimethylcyclopenta[b]pyridylnickel chlorides: Synthesis, characterization and ethylene oligomerization".CATALYSIS COMMUNICATIONS 102(2017):26-30.
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