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- W1985013651 abstract "(Anilide)(cyclopentadienyl)titanium(IV) complexes of the type Cp‘TiCl2[N(2,6-Me2C6H3)(R)] (8a-d: Cp‘ = C5Me5 (Cp*), 1,3-Me2C5H3, Cp; R = SiMe3, SitBuMe2) have been prepared by the reaction of Cp‘TiCl3 with the corresponding lithium anilide in toluene. The structure of (1,3-Me2C5H3)TiCl2[N(2,6-Me2C6H3)(SiMe3)] (8b) has been determined by X-ray crystallography. These complexes exhibited high catalytic activities for ethylene polymerization in the presence of methylaluminoxane (MAO); especially Cp*TiCl2[N(2,6-Me2C6H3)(SiMe3)] (8a) exhibited the highest catalytic activity (1080 kg of PE/((mol of Ti) h), ethylene 6 atm at 25 °C), whereas the analogous zirconium complex Cp*ZrCl2[N(2,6-Me2C6H3)(SiMe3)] (9a) showed a lower activity (637 kg of PE/((mol of Ti) h)) under the same conditions. The activity by Cp‘TiCl2[N(2,6-Me2C6H3)(SiMe3)] for the ethylene polymerization increased in the order Cp* > 1,3-Me2C5H3, Cp. The molecular weight for the resultant polyethylene depended upon the cyclopentadienyl fragment used. The low catalytic activity was observed for propylene polymerizations by 8a; the resultant polymer was atactic and possessed high molecular weight with narrow polydispersity." @default.
- W1985013651 created "2016-06-24" @default.
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- W1985013651 date "2002-06-05" @default.
- W1985013651 modified "2023-10-18" @default.
- W1985013651 title "Synthesis of Nonbridged (Anilide)(cyclopentadienyl)titanium(IV) Complexes of the Type Cp‘TiCl<sub>2</sub>[N(2,6-Me<sub>2</sub>C<sub>6</sub>H<sub>3</sub>)(R)] and Their Use in Catalysis for Olefin Polymerization" @default.
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- W1985013651 doi "https://doi.org/10.1021/om020179h" @default.
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