Iron complexes bearing 2-imino-1,10-phenanthrolinyl ligands as highly active catalysts for ethylene oligomerization

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

doi:10.1021/om050891p

Iron complexes bearing 2-imino-1,10-phenanthrolinyl ligands as highly active catalysts for ethylene oligomerization

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

180 Citations (Scopus)

Abstract

A series of iron complexes ligated by 2-imino-1,10-phenanthrolinyl ligands, LFeCl₂ (L = 2-(ArN=CR)-1,10-phen), were synthesized and sufficiently characterized by elemental and spectroscopic analysis along with X-ray diffraction analysis. Activated with methylaluminoxane (MAO) or modified methylaluminoxane (MMAO), these iron(II) complexes show high catalytic activities up to 8.95 × 10⁷ g mol^-1(Fe) h ^-1 for ethylene oligomerization. The distribution of oligomers produced follows Schluz-Flory rules with high selectivity for α-olefins. Both the steric and electronic effects of coordinative ligands affect the catalytic activity and the properties of the catalytic products. The parameters of the reaction conditions were also investigated to explore the catalytic potentials of these complexes.

Original language	English
Pages (from-to)	666-677
Number of pages	12
Journal	Organometallics
Volume	25
Issue number	3
DOIs	https://doi.org/10.1021/om050891p
Publication status	Published - 30 Jan 2006
Externally published	Yes

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title = "Iron complexes bearing 2-imino-1,10-phenanthrolinyl ligands as highly active catalysts for ethylene oligomerization",

abstract = "A series of iron complexes ligated by 2-imino-1,10-phenanthrolinyl ligands, LFeCl2 (L = 2-(ArN=CR)-1,10-phen), were synthesized and sufficiently characterized by elemental and spectroscopic analysis along with X-ray diffraction analysis. Activated with methylaluminoxane (MAO) or modified methylaluminoxane (MMAO), these iron(II) complexes show high catalytic activities up to 8.95 × 107 g mol-1(Fe) h -1 for ethylene oligomerization. The distribution of oligomers produced follows Schluz-Flory rules with high selectivity for α-olefins. Both the steric and electronic effects of coordinative ligands affect the catalytic activity and the properties of the catalytic products. The parameters of the reaction conditions were also investigated to explore the catalytic potentials of these complexes.",

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

year = "2006",

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doi = "10.1021/om050891p",

language = "English",

volume = "25",

pages = "666--677",

journal = "Organometallics",

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TY - JOUR

T1 - Iron complexes bearing 2-imino-1,10-phenanthrolinyl ligands as highly active catalysts for ethylene oligomerization

AU - Sun, Wen Hua

AU - Jie, Suyun

AU - Zhang, Shu

AU - Zhang, Wen

AU - Song, Yingxia

AU - Ma, Hongwei

AU - Chen, Jiutong

AU - Wedeking, Katrin

AU - Fröhlich, Roland

PY - 2006/1/30

Y1 - 2006/1/30

N2 - A series of iron complexes ligated by 2-imino-1,10-phenanthrolinyl ligands, LFeCl2 (L = 2-(ArN=CR)-1,10-phen), were synthesized and sufficiently characterized by elemental and spectroscopic analysis along with X-ray diffraction analysis. Activated with methylaluminoxane (MAO) or modified methylaluminoxane (MMAO), these iron(II) complexes show high catalytic activities up to 8.95 × 107 g mol-1(Fe) h -1 for ethylene oligomerization. The distribution of oligomers produced follows Schluz-Flory rules with high selectivity for α-olefins. Both the steric and electronic effects of coordinative ligands affect the catalytic activity and the properties of the catalytic products. The parameters of the reaction conditions were also investigated to explore the catalytic potentials of these complexes.

AB - A series of iron complexes ligated by 2-imino-1,10-phenanthrolinyl ligands, LFeCl2 (L = 2-(ArN=CR)-1,10-phen), were synthesized and sufficiently characterized by elemental and spectroscopic analysis along with X-ray diffraction analysis. Activated with methylaluminoxane (MAO) or modified methylaluminoxane (MMAO), these iron(II) complexes show high catalytic activities up to 8.95 × 107 g mol-1(Fe) h -1 for ethylene oligomerization. The distribution of oligomers produced follows Schluz-Flory rules with high selectivity for α-olefins. Both the steric and electronic effects of coordinative ligands affect the catalytic activity and the properties of the catalytic products. The parameters of the reaction conditions were also investigated to explore the catalytic potentials of these complexes.

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U2 - 10.1021/om050891p

DO - 10.1021/om050891p

M3 - Article

AN - SCOPUS:33644519296

SN - 0276-7333

VL - 25

SP - 666

EP - 677

JO - Organometallics

JF - Organometallics

IS - 3

ER -

Iron complexes bearing 2-imino-1,10-phenanthrolinyl ligands as highly active catalysts for ethylene oligomerization

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