Nickel complexes bearing N,N,N-tridentate quinolinyl anilido-imine ligands: Synthesis, characterization and catalysis on norbornene addition polymerization

被引：13
|
作者：
Hao, Zhiqiang [1 ]
Yang, Nan [1 ]
Gao, Wei [1 ]
Xin, Lan [1 ]
Luo, Xuyang [1 ]
Mu, Ying [1 ]
机构：
[1] Jilin Univ, Sch Chem, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2014年 / 749卷
基金：
中国国家自然科学基金;
关键词：
Nickel complex; Anilido-imine ligand; Norbornene polymerization; RING-OPENING POLYMERIZATION; ETHYLENE OLIGOMERIZATION; OLEFIN POLYMERIZATION; VINYL POLYMERIZATION; ALPHA-OLEFINS; PALLADIUM(II) COMPLEXES; LIVING POLYMERIZATION; EPSILON-CAPROLACTONE; MOLECULAR-STRUCTURE; PHENYL COMPLEXES;
D O I：
10.1016/j.jorganchem.2013.10.020
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The N,N,N-tridentate quinolinyl anilido-imine ligands 2-(ArNC(H))C6H4-HNC9H6N (LaH, Ar = 2,6-Me2C6H3; LbH, Ar = 2,6-(Pr2C6H3)-Pr-i) and 2-(C9H6N)NC(H)C6H4-HNAr (LcH, Ar = 2,6-Me2C6H3; LdH, Ar = 2,6-(Pr2C6H3)-Pr-i) were synthesized and characterized. Reactions of these ligands with (BuLi)-Bu-n and subsequent additions of NiCl2(DME) afford the N,N,N-tridentate nickel complexes [2-(ArNC(H))C6H4-NC9H6N] NiCl (Ar = 2,6-Me2C6H3 (1a), 2,6-(Pr2C6H3)-Pr-i (1b)) and [2-(C9H6N)NC(H)C6H4-NAr]NiCl (Ar = 2,6-Me2C6H3 (2a), 2,6-(Pr2C6H3)-Pr-i (2b)). All the complexes were fully characterized by NMR and elemental analyses. X-ray diffraction analyses of 1b and 2b revealed an almost square-planar geometry around the metal center. When activated with MAO, these nickel complexes can be used as catalysts for the vinyl addition polymerization of norbornene affording high molecular weight polymer. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码：350 / 355
页数：6
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