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Novel chiral metallocenophanes derived from [2.2] paracyclophane and their use in olefin polymerization
Published in Wiley-VCH Verlag
2002
   
Issue: 1
Pages: 123 - 131
Abstract
The 4-fulvenyl[2.2]paracyclophane (1) was transformed, by treatment with lithium aluminium hydride and methyllithium in tetrahydrofuran, to the corresponding cyclopentadienyl anions 6 and 8, respectively. The iron complex 7 was prepared from 6, while 8 was converted into the metal complexes 9 (Fe complex), 10 (Ti), 11 (Zr), 12 (Ti), and 13 (Zr). All new metallocene complexes were characterized by their spectroscopic data. In addition, a single crystal X-ray crystallographic analysis was performed for complex 11. The metallacyclic zirconocene complex 15 was synthesized by the reaction of the dichloride derivative 13 with two equivalents of n-butyllithium. After activation of complexes 10-13 and 15 with methylalumoxane (MAO) they were used for the catalytic polymerization of ethene and propene.
About the journal
JournalData powered by TypesetEuropean Journal of Inorganic Chemistry
PublisherData powered by TypesetWiley-VCH Verlag
ISSN14341948
Open AccessNo
Concepts (21)
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    4 FULVENYL[2.2]PARACYCLOPHANE
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    Alkene
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    Chlorine derivative
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    Cyclophane derivative
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    Iron complex
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    Metal complex
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    METALLOCENOPHANE DERIVATIVE
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    METHYLALUMOXANE
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    Propylene
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    Unclassified drug
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    ZIRCONOCENE
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    [2.2]PARACYCLOPHANE
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    Article
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    Catalysis
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    Chemical reaction
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    Chirality
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    Complex formation
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    Crystal structure
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    Polymerization
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    Spectroscopy
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    X ray crystallography