Group 4 metal compounds incorporating the amide ligand, [N(SiMe2{C6H4-2-OMe})2]-

被引:2
作者
Evans, Lloyd T. J. [1 ]
Farnaby, Joy H. [1 ]
Coles, Martyn P. [1 ]
Cloke, F. Geoffrey N. [1 ]
Hitchcock, Peter B. [1 ]
机构
[1] Univ Sussex, Dept Chem, Brighton BN1 9QJ, E Sussex, England
关键词
OLEFIN POLYMERIZATION CATALYSTS; RAY CRYSTAL-STRUCTURE; ETHYLENE POLYMERIZATION; DIAMIDO LIGAND; ZIRCONIUM COMPLEXES; MOLECULAR-STRUCTURES; TITANIUM; DERIVATIVES; CONTAIN; LITHIUM;
D O I
10.1039/c5dt00684h
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The anisole-substituted silyl-amide anion, [N(SiMe2{C6H4-2-OMe})(2)](-) (L), has been used as a pincer-type ligand in coordination chemistry. X-ray diffraction data for the lithium salt shows a trimetallic structure consisting of two equivalents of Li(L) that sequester a molecule of LiCl. The potassium salt K(L) is dimeric in the solid-state with bridging amide ligands. Each structure shows chelation of both O-donor groups to the electropositive metal. In contrast, the titanium compound Ti(L)Cl-3 is four-coordinate with a monodentate amide. The zirconium compound Zr(L)(2)Cl-2 is monometallic with a six-coordinate metal and two N,O-bidentate amides.
引用
收藏
页码:8950 / 8958
页数:9
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