Synthesis, structures of half-sandwich titanium complexes with bulky aryloxide ligand and their catalytic performance for olefin polymerization

被引：1

作者：

Wu, Qiaolin ^{[1
]}

Wu, Chuanguang ^{[1
]}

Su, Qing ^{[1
]}

Ye, Ling ^{[1
]}

机构：

[1] Jilin Univ, Sch Chem, Changchun 130012, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2014年 / 423卷

基金：

中国国家自然科学基金;

关键词：

Ethylene polymerization; Metallocene; Olefin polymerization; Polyethylene; Titanium catalysts; HIGH-DENSITY POLYETHYLENES; STYRENE POLYMERIZATION; STEREOSPECIFIC POLYMERIZATION; EFFICIENT INCORPORATION; GROUP-4; COMPLEXES; ETHYLENE; COPOLYMERIZATION; METALLOCENE; SUBSTITUENT; PROPENE;

D O I：

10.1016/j.ica.2014.08.029

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three bulky cyclopentadienyltitanium aryloxide complexes, [Ti(eta(5)-C5Me4Ar)(O-2,6-(Bu2C6H3)-Bu-t) Cl-2], (Ar = C6H5 (4), 4-(PrC6H4)-Pr-i (5), 4-Me3SiC6H4 (6)) have been synthesized from reaction of the corresponding cyclopentadienyltitanium trichloride derivatives with 1 equiv of LiO-2,6-(Bu2C6H3)-Bu-t. These half-sandwich complexes 4-6 have been characterized by H-1 and C-13 NMR spectroscopy. The molecular structure of complexes 4 and 6 has been determined by single-crystal X-ray diffraction studies. When activated with (Bu3Al)-Bu-i and Ph3C+B(C6F5)(4) , complexes 4-6 exhibits reasonable catalytic activity for ethylene polymerization, producing moderate molecular weight polyethylenes. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：263 / 267

页数：5

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