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Título : Highly fluorous zirconocene(IV) complexes and their catalytic applications in the polymerization of ethylene
Autor : Cámpora, Juan, Matas, Inmaculada, Palma Ramírez, Pilar, Álvarez, Eleuterio, Kleijn, Henk, Deelman, Berth-Jan, Passaglia, Elisa
Palabras clave : Ziconium
Olefin polymerization
Fluorinated ligands
Fecha de publicación : 21-Apr-2010
Editor: Elsevier
Citación : Journal of Organometallic Chemistry 695(14): 1794-1800 (2010)
Resumen: 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].
Descripción : 7 páginas, 3 figuras, 2 tablas, esquemas.
Versión del editor:
ISSN: 0022-328X
DOI: 10.1016/j.jorganchem.2010.03.030
Citación : Journal of Organometallic Chemistry 695(14): 1794-1800 (2010)
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