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Nickel(II) Complexes Chelated by 2-Arylimino-6-benzoxazolylpyridine: Syntheses, Characterization, and Ethylene Oligomerization
Gao, Rong1,2; Zhang, Min1,2; Liang, Tongling1,2; Wang, Fosong1,2; Sun, Wen-Hua1,2,3
2008-11-10
Source PublicationORGANOMETALLICS
ISSN0276-7333
Volume27Issue:21Pages:5641-5648
Abstract2-(2-Benzoxazolyl)-6-(1-(arylimino)-ethyl)pyridines (L) were designed as ligands, and their nickel complexes LNiX(2) (X = Cl, 1a-7a; X = Br, 1b-7b) were formed. All ligands were fully characterized by NMR, FT-IR spectra, and elemental analyses, while the nickel complexes were examined by FT-IR spectra and elemental analyses. The molecular structures of nickel complexes were established by single-crystal X-ray diffraction. Complex 6a possesses coordination number 6 by coordination of one ligand, two moles of methanol, and one chloride anion, whereas complexes 1b and 5b possess coordination number 5 with distinct distortions, for 1b toward trigonal-bipyramidal geometry and for 5b toward square-pyramidal geometry. The nickel complex la was evaluated in the catalytic oligomerization of ethylene with different alkylaluminums as cocatalysts, and diethylaluminum chloride (Et(2)AlCl) proved to be the most effective. Upon activation with Et(2)AlCl, all nickel complexes showed outstanding thermal stability and good catalytic activity toward ethylene dimerization with high selectivity for alpha-C(4).
DOI10.1021/om800647w
Indexed BySCI ; IC
Language英语
WOS IDWOS:000260383900032
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:72[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64978
Collection中国科学院化学研究所
Corresponding AuthorWang, Fosong
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.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Gao, Rong,Zhang, Min,Liang, Tongling,et al. Nickel(II) Complexes Chelated by 2-Arylimino-6-benzoxazolylpyridine: Syntheses, Characterization, and Ethylene Oligomerization[J]. ORGANOMETALLICS,2008,27(21):5641-5648.
APA Gao, Rong,Zhang, Min,Liang, Tongling,Wang, Fosong,&Sun, Wen-Hua.(2008).Nickel(II) Complexes Chelated by 2-Arylimino-6-benzoxazolylpyridine: Syntheses, Characterization, and Ethylene Oligomerization.ORGANOMETALLICS,27(21),5641-5648.
MLA Gao, Rong,et al."Nickel(II) Complexes Chelated by 2-Arylimino-6-benzoxazolylpyridine: Syntheses, Characterization, and Ethylene Oligomerization".ORGANOMETALLICS 27.21(2008):5641-5648.
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