Doubly bridged di(silyl-η-amido)cyclopentadienyltitanium and -zirconium complexes and their related cations as the [(PhCH )B(C F ) ] salts have been isolated (see structure of the Ti derivative). The neutral benzylzirconium complex was a very efficient catalyst in the presence of methylaluminoxane for producing high molecular weight polyethylene and ethylene-1-hexene copolymers.
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| http://dx.doi.org/10.1002/1521-3773(20010702)40:13<2495::AID-ANIE2495>3.0.CO;2-R | DOI Listing |
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