Arylimido zirconium and titanium complexes: characteristic structures and application in ethylene polymerization

Dimeric anilidolithium (ArHNLi·Et O) (Ar=2,6- Pr ) reacted with zirconium tetrachloride in THF to give the heterometallic zirconium–lithium complex [(Et O) Li(μ-Cl) (ArHN)(ArN=)Zr(μ-Cl)] ( ) and with titanium tetrachloride in toluene to give the titanium complex [(ArN=)TiCl ·(Et O) ] ( ) each in goo...

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Published inZeitschrift für Naturforschung. B, A journal of chemical sciences Vol. 71; no. 10; pp. 1019 - 1023
Main Authors Yuan, Shifang, Wang, Lijing, Hua, Yupeng, Zhang, Jing, Sun, Wen-Hua
Format Journal Article
LanguageEnglish
Published De Gruyter 01.10.2016
Subjects
arylimido complex
ethylene polymerization
titanium
zirconium
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Summary:Dimeric anilidolithium (ArHNLi·Et O) (Ar=2,6- Pr ) reacted with zirconium tetrachloride in THF to give the heterometallic zirconium–lithium complex [(Et O) Li(μ-Cl) (ArHN)(ArN=)Zr(μ-Cl)] ( ) and with titanium tetrachloride in toluene to give the titanium complex [(ArN=)TiCl ·(Et O) ] ( ) each in good isolated yields. Their molecular structures in the solid state were confirmed by X-ray diffraction analysis. Upon activation with methylaluminoxane, both arylimido zirconium and titanium complexes exhibited good catalytic activities toward ethylene polymerization.
ISSN:0932-0776
1865-7117
DOI:10.1515/znb-2016-0084