Nickel(II) Dibromide Complexes Bearing Bis(benzimidazolyl)amine and Bis(benzimidazolyl)pyridine Ligands for Ethylene Oligomerizations

被引：7
|
作者：
Lee, Gyeong Mi [1 ]
Appukuttan, Vinu K. [1 ]
Suh, Hongsuk [2 ,3 ]
Ha, Chang-Sik [1 ]
Kim, Il [1 ]
机构：
[1] Pusan Natl Univ, Dept Polymer Sci & Engn, WCU Ctr Synthet Polymer Bioconjugate Hybrid Mat, Pusan 609735, South Korea
[2] Pusan Natl Univ, Dept Chem, Pusan 609735, South Korea
[3] Pusan Natl Univ, Chem Inst Funct Mat, Pusan 609735, South Korea
来源：
CATALYSIS LETTERS | 2011年 / 141卷 / 11期
关键词：
Catalysis; Ethylene oligomerization; Ligands; Nickel complex; Transition metal catalysts; TRANSITION-METAL-COMPLEXES; OLEFIN POLYMERIZATION; CATALYSTS; IRON(II); DIMERIZATION; REACTIVITY; PROPYLENE; SOLIDS;
D O I：
10.1007/s10562-011-0697-9
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 bis(benzimidazolyl)amine and bis(benzimidazolyl)pyridine ligands and their respective nickel(II) dibromide complexes were synthesized and fully characterized. After activation of the nickel complexes with ethylaluminum sesquichloride showed productivity in excess of 10(6) (g-oligomer)(mol-Ni)(-1)h(-1)bar(-1) towards ethylene oligomerization, producing butenes as major products. The bis(benzimidazolyl)pyridine nickel complexes showed higher activity and dimerization selectivity than corresponding bis(benzimidazolyl)amine nickel complexes.
引用
收藏
页码：1608 / 1615
页数：8
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