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A New Type of Doubly Silylamido-Bridged Cyclopentadienyl Group 4 Metal Complexes

✍ Scribed by Jesús Cano; Pascual Royo; Maurizio Lanfranchi; Maria Angela Pellinghelli; Antonio Tiripicchio

Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 88 KB
Volume: 40
Category: Article
ISSN: 0044-8249
DOI: 10.1002/1521-3773(20010702)40:13<2495::aid-anie2495>3.0.co;2-r

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✦ Synopsis

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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