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Synthesis and characterization of nickel(II) complexes bearing 2-(imidazol-2-yl)pyridines or 2-(pyridin-2-yl)phenanthroimidazoles/oxazoles and their polymerization of norbornene
Eseola, Abiodun O.1,2,3; Zhang, Min1,2; Xiang, Jun-Feng1,2; Zuo, Weiwei1,2; Li, Yan1,2; Woods, Joseph A. O.3; Sun, Wen-Hua1,2
2010-06-10
Source PublicationINORGANICA CHIMICA ACTA
ISSN0020-1693
Volume363Issue:9Pages:1970-1978
AbstractSeries of 2-R(1)-6-(1-R(2)-4,5-diphenyl-1H-imidazol-2-yl)pyridine (R(1) = R(2) = H, L1; R(1) = Me, R(2) = H, L2; R(1) = H, R(2) = Me, L3; R(1) = R(2) = Me, L4), 2-(6-R(1)-pyridin-2-yl)-1H-phenanthro[9,10-d]imidazole (R(1) = H, L5; R(1) = Me, L6) and 2-(pyridin-2-yl)phenanthro[9,10-d]oxazole (L7) were synthesized and used to prepare their corresponding dihalonickel complexes (C1-C9). All organic compounds and nickel complexes were characterized by elemental and spectroscopic analyses. Molecular structures of C1, C4, C5 and C8 were confirmed by the single-crystal X-ray diffraction analysis. The single-crystal X-ray analysis revealed complex C1 as a distorted octahedral geometry, complex C4 as a distorted square pyramidal geometry, complex C5 as a distorted trigonal bipyramidal configuration, and complex C8 as a tetrahedral geometry. Upon activation with methylaluminoxane (MAO), the nickel complexes showed good activity towards norbornene polymerization through main additional and minor ring-opening metathesis. The reaction parameters such as norbornene concentration, reaction temperature and different coordinate environments caused by the ligands affected their catalytic performances. (C) 2009 Elsevier B.V. All rights reserved.
KeywordNickel Catalyst Molecular Structure Vinyl Polymerization Norbornene
DOI10.1016/j.ica.2009.02.026
Indexed BySCI
Language英语
WOS IDWOS:000277934700006
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/70464
Collection中国科学院化学研究所
Corresponding AuthorSun, Wen-Hua
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Engineering Plast, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
3.Univ Ibadan, Dept Chem, Inorgan Chem Grp, Ibadan, Nigeria
Recommended Citation
GB/T 7714
Eseola, Abiodun O.,Zhang, Min,Xiang, Jun-Feng,et al. Synthesis and characterization of nickel(II) complexes bearing 2-(imidazol-2-yl)pyridines or 2-(pyridin-2-yl)phenanthroimidazoles/oxazoles and their polymerization of norbornene[J]. INORGANICA CHIMICA ACTA,2010,363(9):1970-1978.
APA Eseola, Abiodun O..,Zhang, Min.,Xiang, Jun-Feng.,Zuo, Weiwei.,Li, Yan.,...&Sun, Wen-Hua.(2010).Synthesis and characterization of nickel(II) complexes bearing 2-(imidazol-2-yl)pyridines or 2-(pyridin-2-yl)phenanthroimidazoles/oxazoles and their polymerization of norbornene.INORGANICA CHIMICA ACTA,363(9),1970-1978.
MLA Eseola, Abiodun O.,et al."Synthesis and characterization of nickel(II) complexes bearing 2-(imidazol-2-yl)pyridines or 2-(pyridin-2-yl)phenanthroimidazoles/oxazoles and their polymerization of norbornene".INORGANICA CHIMICA ACTA 363.9(2010):1970-1978.
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