Synthesis and structures of dialkyl zirconium complexes with an [OSSO]-type bis(phenolate) ligand bearing a trans-1,2-cyclooctanediylbis(thio) unit

被引：16
|
作者：
Toda, Tomoyuki [1 ]
Nakata, Norio [1 ]
Matsuo, Tsukasa [2 ]
Ishii, Akihiko [1 ]
机构：
[1] Saitama Univ, Dept Chem, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, Japan
[2] RIKEN Adv Sci Inst, Funct Elementoorgan Chem Unit, Wako, Saitama 3510198, Japan
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2011年 / 696卷 / 06期
关键词：
Zirconium; Sulfur; Cyclooctane; OSSO]-type ligand; Dialkyl complexes; PRELIMINARY POLYMERIZATION CATALYSIS; COORDINATION CHEMISTRY; STYRENE POLYMERIZATION; 1-HEXENE POLYMERIZATION; CIS-CYCLOOCTENE; SALAN COMPLEXES; TITANIUM; ISOSPECIFICITY; REDUCTION; AMINE;
D O I：
10.1016/j.jorganchem.2010.11.035
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Dimethyl and bis[(trimethylsilyl) methyl] zirconium complexes ([OSSO]ZrR2) [4, R = Me; 5, R = CH2SiMe3] having [OSSO]-type bis(phenolato) ligand 1 based on the trans-1,2-cyclooctanediylbis(thio) core have been synthesized by the reactions of the corresponding dichloro zirconium complex 3 with 2 equiv. of MeMgBr and Me3SiCH2MgCl, respectively, in Et2O/toluene at -78 degrees C. The molecular structures of these complexes 3-5 were characterized by NMR spectroscopy, elemental analyses, and X-ray crystallography. H-1 and C-13 NMRdata of complexes 3-5 exhibited that they took the C-2-symmetry in solution in the NMRtime scale. In the crystal structures of 3-5, each zirconium center lies at the center of a distorted octahedral coordination sphere with cis sulfur atoms and trans oxygen atoms, which adopts a cis-alpha [(Lambda*, S*, S*)] configuration. (C) 2010 Elsevier B.V. All rights reserved.
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收藏
页码：1258 / 1261
页数：4
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