Supported cationic complexes: selective preparation and characterization of the well-defined electrophilic metallocenium cation [[triple bond]SiO-B(C6F5)3]- [Cp*ZrMe2(Et2NPh)]+ supported on silica.
The reaction of Cp*ZrMe3, 1, with the heterogeneous activator [[triple bond]SiO-B(C6F5)3]- [HNEt2Ph]+, 2, has been investigated to generate, by an irreversible process of methane elimination, the well-defined cationic silica-supported metallocenium species [[triple bond]SiO-B(C6F5)3]- [Cp*ZrMe2(NEt2Ph)]+, 3, as an active olefin polymerisation catalyst.
Millot
Nicolas
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Laboratoire de Chimie Organométallique de Surface, UMR 9986 CNRS-ESCPE Lyon, 43 bd du 11 Novembre 1918, F-69626 Villeurbanne Cedex, France.
Santini
Catherine C
CC
Baudouin
Anne
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Basset
Jean-Marie
JM