Synthesis, characterization and ethylene oligomerization behavior of N-(2-alkyl-5,6,7-trihydroquinolin-8-ylidene)arylaminonickel(II) dichlorides

Chai, Wenbin, Yu, Jiangang, Wang, Lin, Hu, Xinquan, Redshaw, Carl and Sun, Wen-Hua (2012) Synthesis, characterization and ethylene oligomerization behavior of N-(2-alkyl-5,6,7-trihydroquinolin-8-ylidene)arylaminonickel(II) dichlorides. Inorganica Chimica Acta, 385. pp. 21-26.

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Abstract

A series of N-(2-alkyl-5,6,7-trihydroquinolin-8-ylidene)arylaminonickel(II) dichloride complexes were synthesized in a one-pot reaction with nickel dichloride. All nickel complexes were characterized by elemental and spectroscopic analysis. The molecular structures of representative nickel complexes, as determined by the single crystal X-ray diffraction, are reported. All nickel complexes, when treated with ethylaluminium sesquichloride (Et3Al2Cl3), showed high activities (up to 1.1 × 106 g mol-1 h-1) for ethylene oligomerization, with good thermal stability at 80 °C at 10 atm ethylene. The influence of the reaction parameters on the catalytic behavior was investigated for these nickel-based systems, including variation of Al/Ni molar ratio and reaction temperature.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rhiannon Harvey
Date Deposited: 21 Mar 2012 11:10
Last Modified: 21 Apr 2020 16:14
URI: https://ueaeprints.uea.ac.uk/id/eprint/38376
DOI: 10.1016/j.ica.2011.12.008

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