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(Fluorenyl)titanium Triisopropoxide and Bis(fluorenyl)titanium Diisopropoxide: A Facile Synthesis, Molecular Structure, and Catalytic Activity in Styrene Polymerization

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https://figshare.com/articles/dataset/_Fluorenyl_titanium_Triisopropoxide_and_Bis_fluorenyl_titanium_Diisopropoxide_A_Facile_Synthesis_Molecular_Structure_and_Catalytic_Activity_in_Styrene_Polymerization/3769839
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[(η1-Flu)Ti(μ-OiPr)(OiPr)2]2 (1) and (η1-Flu)(η5-Flu)Ti(OiPr)2 (2) were easily prepared from FluLi and ClTi(iPrO)3 and demonstrated a remarkable thermal stability in comparison with known (fluorenyl)titanium complexes. Both complexes were characterized by X-ray analysis and temperature-dependent NMR spectroscopy. In combination with methylaluminoxane, both compounds are highly efficient initiators for styrene polymerization, producing highly syndiotactic polymers.
创建时间:
2016-08-26
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