Synthesis, structures and ethylene polymerization activity of chromium(III) complexes with N,O,N′-tridentate ligands

被引：9

作者：

Chen, Fei ^{[1
]}

Lu, Xiang-Yong ^{[1
]}

Chen, Xue-Tai ^{[1
]}

Li, Hua-Yi ^{[2
]}

Hu, You-Liang ^{[2
]}

机构：

[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Nanjing Natl Lab Microstruct, Nanjing 210093, Peoples R China

[2] Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Engn Plast, Inst Chem, Beijing 100080, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2012年 / 387卷

关键词：

Chromium; Tridentate ligand; Ethylene; Polymerization; Catalysis; OLEFIN POLYMERIZATION; CRYSTAL-STRUCTURES; HOMOGENEOUS MODEL; PHILLIPS CATALYST; OLIGOMERIZATION; BEHAVIOR; METAL; COPPER(II); CHLORIDES;

D O I：

10.1016/j.ica.2012.02.037

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

This paper reports the synthesis and characterization of four neutral chromium(III) complexes bearing N,O,N'-tridentate ligands, [LCrCl3], (L = 2-[(2-pyridylmethoxy)methyl]pyridine, 1; L = 8-(2-pyridylmethoxy) quinoline, 2; L = 8-[(2-pyridylmethoxy)methyl]quinoline, 3; L = 8-(quinolin-8-ylmethoxy)quinoline,4). Molecular structures of 1-3 have been determined by X-ray crystallography, which show that L-1 and L-3 exhibit facial configuration in 1 and 3 while L-2 adopts meridional arrangement in 2. The ethylene polymerization experiments show that complexes 1-4 are moderately active precatalysts for ethylene polymerization with activation with MAO. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：407 / 411

页数：5

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