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Issue 1, 2011
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Synthesis, characterization and ethylene oligomerization behaviour of 8-(1-aryliminoethylidene)quinaldinylnickel dihalides

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Abstract

A series of 8-(1-aryliminoethylidene)quinaldines and the nickel halides thereof were synthesized and characterized, and the molecular structures of two representative nickel complexes were confirmed by single-crystal X-ray diffraction studies. Upon treatment with diethylaluminium chloride (Et2AlCl), the nickel pro-catalysts exhibited high activity for ethylene oligomerization (1.24–1.83 × 106 g mol−1(Ni) h−1) with good thermal stability at 60 °C under 10 atm of ethylene. The influence of the reaction parameters on the catalytic behaviour was investigated for these nickel-based systems, including variation of Al/Ni molar ratio and reaction temperature. Furthermore, the effect of the ancillary ligand Ph3P was also probed.

Graphical abstract: Synthesis, characterization and ethylene oligomerization behaviour of 8-(1-aryliminoethylidene)quinaldinylnickel dihalides

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Publication details

The article was received on 01 Oct 2010, accepted on 30 Oct 2010 and first published on 08 Feb 2011


Article type: Paper
DOI: 10.1039/C0CY00002G
Catal. Sci. Technol., 2011,1, 69-75

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    Synthesis, characterization and ethylene oligomerization behaviour of 8-(1-aryliminoethylidene)quinaldinylnickel dihalides

    S. Song, T. Xiao, T. Liang, F. Wang, C. Redshaw and W. Sun, Catal. Sci. Technol., 2011, 1, 69
    DOI: 10.1039/C0CY00002G

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