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Closed Access item Highly fluorous zirconocene(IV) complexes and their catalytic applications in the polymerization of ethylene

Authors:Cámpora, Juan
Matas, Inmaculada
Palma Ramírez, Pilar
Álvarez, Eleuterio
Kleijn, Henk
Deelman, Berth-Jan
Passaglia, Elisa
Keywords:Ziconium, Olefin polymerization, Metallocene, Fluorinated ligands
Issue Date:21-Apr-2010
Publisher:Elsevier
Citation:Journal of Organometallic Chemistry 695(14): 1794-1800 (2010)
Abstract:The catalytic activities of the highly fluorous systems formed by the zirconocene(IV) complexes [Zr{η5-C5H4SiMe2C2H4RF}2Cl2] (RF = C6F13 (4a), C10F21 (4b)) or [Zr-{η5-C5H3(SiMe2C2H4C6F13)2}2Cl2] (5a) and MMAO in toluene have been studied and compared with analogous nonfluorous systems generated from [Zr{η5-C5H4SiMe3}2Cl2] and [Zr{η5-C5H5}2Cl2]. Although less active than the reference systems, the fluorous catalysts are stable over prolonged polymerization times, giving rise to polymers with similar molecular weights to those obtained with [Zr{η5-C5H4SiMe3}2Cl2].
Description:7 páginas, 3 figuras, 2 tablas, esquemas.
Publisher version (URL):http://dx.doi.org/10.1016/j.jorganchem.2010.03.030
URI:http://hdl.handle.net/10261/37443
ISSN:0022-328X
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Appears in Collections:(IIQ) Artículos

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