Catalytic trimerization of ethylene by half-sandwich titanium complexes bearing a pendant ethereal group

被引：31
|
作者：
Wu, TZ [1 ]
Qian, YL [1 ]
Huang, JL [1 ]
机构：
[1] E China Univ Sci & Technol, Organomet Chem Lab, Shanghai 200237, Peoples R China
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2004年 / 214卷 / 02期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
ethylene trimerization; titanium complexes; hemilabile ligand;
D O I：
10.1016/j.molcata.2003.12.018
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：
Three half-sandwich titanium complexes with a pendant ethereal group, CH3OCH2CH2CpTiCl3, CH3OCH(CH3)CH2CpTiCl3, and tetrahydrofurfurylcyclopentadienyltitanium trichloride activated by MAO have been found to trimerize ethylene with high selectivity and moderate activity. Compared with the catalytic behavior of CpTiCl3/MAO and n-Pr-CpTiCl3/MAO, we can identify that the pendant ethereal group plays an important role in this selective trimerization process. Their different catalytic behavior toward temperature is discussed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：227 / 229
页数：3
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