Zirconium Complex of an [OSSO]-Type Diphenolate Ligand Bearing trans-1,2-Cyclooctanediylbis(thio) Core: Synthesis, Structure, and Isospecific 1-Hexene Polymerization

被引：59
|
作者：
Ishii, Akihiko [1 ]
Toda, Tomoyuki [1 ]
Nakata, Norio [1 ]
Matsuo, Tsukasa [2 ]
机构：
[1] Saitama Univ, Grad Sch Sci & Engn, Dept Chem, Sakura Ku, Saitama 3388570, Japan
[2] RIKEN Adv Sci Inst, Funct Elementoorgan Chem Unit, Wako, Saitama 3510198, Japan
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 38期
关键词：
BIS(PHENOLATO) LIGAND; COORDINATION CHEMISTRY; STYRENE POLYMERIZATION; ALKENE POLYMERIZATION; LIVING POLYMERIZATION; TITANIUM COMPLEXES; CATALYSTS; SITE; TETRADENTATE; POLYOLEFINS;
D O I：
10.1021/ja903369q
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Six-coordinated dibenzyl Zr complex bearing an [OSSO]-type tetradentate ligand was synthesized, and the structure was fully characterized by NMR spectroscopy and X-ray crystallography. The zirconium complex has C(2) symmetry in solution. Owing to an effect of the cyclooctane ring structure, the combination of the zirconium complex and B(C(6)F(5))(3) or (Ph(3)C)[B(C(6)F(5))(4)] as the activator exhibited high activity toward polymerization of 1-hexene to yield highly isotactic poly(1-hexene).
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页码：13566 / +
页数：3
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