Nickel complexes bearing 2-(1H-benzo[d]imidazol-2-yl)-N-benzylidenequinolin-8-amines: Synthesis, structure and catalytic ethylene oligomerization

被引：19
|
作者：
Wang, Kefeng
Gao, Rong
Hao, Xiang
Sun, Wen-Hua [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Engn Plast, Beijing 100190, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2009年 / 10卷 / 13期
关键词：
2-(1H-benzo[d]imidazol-2-yl)-N-benzylidenequinolin-8-amine; Nickel complex; Ethylene oligomerization; POLYMERIZATION; COBALT; IRON;
D O I：
10.1016/j.catcom.2009.05.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A series of 2-(1H-benzo[d]imidazol-2-yl)-N-benzylideequinolin-8-amines was synthesized and characterized. They are stable as solids while displaying a tendency to decompose in solution. On reaction with NiCl2, different coordination pattern sets of L center dot NiCl2 or [L2Ni](2+)center dot 2Cl(-) are obtainable in THF or ethanol. When activated by Et2AlCl, the complexes L-NiCl2 exhibit good to high catalytic activities and selectivities for 1-C-4 in ethylene oligomerization, while the complexes [L2Ni](2+)center dot 2Cl(-) hardly showed any activity, which is attributable to nickel coordination by two ligands barring interaction of ethylene with the metal center. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1730 / 1733
页数：4
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