Synthesis, characterization and ethylene oligomerization studies of nickel complexes bearing 2-imino-1,10-phenanthrolines

Wen Hua Sun; Shu Zhang; Suyun Jie; Wen Zhang; Yan Li; Hongwei Ma; Jiutong Chen; Katrin Wedeking; Roland Fröhlich

doi:10.1016/j.jorganchem.2006.06.028

Synthesis, characterization and ethylene oligomerization studies of nickel complexes bearing 2-imino-1,10-phenanthrolines

Wen Hua Sun^*, Shu Zhang, Suyun Jie, Wen Zhang, Yan Li, Hongwei Ma, Jiutong Chen, Katrin Wedeking, Roland Fröhlich

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A series of nickel (II) complexes ligated by 2-imino-1,10-phenanthrolines were synthesized and characterized by elemental and spectroscopic analysis as well as by single-crystal X-ray crystallography. X-ray crystallographic analysis reveals complexes 3, 5, 7 and 11 as the five-coordinated distorted trigonal-bipyramidal geometry. Upon activation with Et₂AlCl, these complexes exhibited considerably high activity for ethylene oligomerization (up to 3.76 × 10⁷ g mol^-1(Ni) h^-1 for 12 with 10 equiv. of PPh₃). The ligand environment and reaction conditions significantly affect the catalytic activity of their nickel complexes.

源语言	英语
页（从-至）	4196-4203
页数	8
期刊	Journal of Organometallic Chemistry
卷	691
期	20
DOI	https://doi.org/10.1016/j.jorganchem.2006.06.028
出版状态	已出版 - 1 10月 2006
已对外发布	是

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title = "Synthesis, characterization and ethylene oligomerization studies of nickel complexes bearing 2-imino-1,10-phenanthrolines",

abstract = "A series of nickel (II) complexes ligated by 2-imino-1,10-phenanthrolines were synthesized and characterized by elemental and spectroscopic analysis as well as by single-crystal X-ray crystallography. X-ray crystallographic analysis reveals complexes 3, 5, 7 and 11 as the five-coordinated distorted trigonal-bipyramidal geometry. Upon activation with Et2AlCl, these complexes exhibited considerably high activity for ethylene oligomerization (up to 3.76 × 107 g mol-1(Ni) h-1 for 12 with 10 equiv. of PPh3). The ligand environment and reaction conditions significantly affect the catalytic activity of their nickel complexes.",

keywords = "2-Imino-1,10-phenanthrolinyl ligands, Ethylene oligomerization, Nickel complexes",

author = "Sun, {Wen Hua} and Shu Zhang and Suyun Jie and Wen Zhang and Yan Li and Hongwei Ma and Jiutong Chen and Katrin Wedeking and Roland Fr{\"o}hlich",

year = "2006",

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doi = "10.1016/j.jorganchem.2006.06.028",

language = "English",

volume = "691",

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journal = "Journal of Organometallic Chemistry",

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TY - JOUR

T1 - Synthesis, characterization and ethylene oligomerization studies of nickel complexes bearing 2-imino-1,10-phenanthrolines

AU - Sun, Wen Hua

AU - Zhang, Shu

AU - Jie, Suyun

AU - Zhang, Wen

AU - Li, Yan

AU - Ma, Hongwei

AU - Chen, Jiutong

AU - Wedeking, Katrin

AU - Fröhlich, Roland

PY - 2006/10/1

Y1 - 2006/10/1

N2 - A series of nickel (II) complexes ligated by 2-imino-1,10-phenanthrolines were synthesized and characterized by elemental and spectroscopic analysis as well as by single-crystal X-ray crystallography. X-ray crystallographic analysis reveals complexes 3, 5, 7 and 11 as the five-coordinated distorted trigonal-bipyramidal geometry. Upon activation with Et2AlCl, these complexes exhibited considerably high activity for ethylene oligomerization (up to 3.76 × 107 g mol-1(Ni) h-1 for 12 with 10 equiv. of PPh3). The ligand environment and reaction conditions significantly affect the catalytic activity of their nickel complexes.

AB - A series of nickel (II) complexes ligated by 2-imino-1,10-phenanthrolines were synthesized and characterized by elemental and spectroscopic analysis as well as by single-crystal X-ray crystallography. X-ray crystallographic analysis reveals complexes 3, 5, 7 and 11 as the five-coordinated distorted trigonal-bipyramidal geometry. Upon activation with Et2AlCl, these complexes exhibited considerably high activity for ethylene oligomerization (up to 3.76 × 107 g mol-1(Ni) h-1 for 12 with 10 equiv. of PPh3). The ligand environment and reaction conditions significantly affect the catalytic activity of their nickel complexes.

KW - 2-Imino-1,10-phenanthrolinyl ligands

KW - Ethylene oligomerization

KW - Nickel complexes

UR - http://www.scopus.com/inward/record.url?scp=33747881570&partnerID=8YFLogxK

U2 - 10.1016/j.jorganchem.2006.06.028

DO - 10.1016/j.jorganchem.2006.06.028

M3 - Article

AN - SCOPUS:33747881570

SN - 0022-328X

VL - 691

SP - 4196

EP - 4203

JO - Journal of Organometallic Chemistry

JF - Journal of Organometallic Chemistry

IS - 20

ER -

Synthesis, characterization and ethylene oligomerization studies of nickel complexes bearing 2-imino-1,10-phenanthrolines

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