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Iron and Cobalt Complexes of 4-Alkyl-2,6-diiminopyridine Ligands: Synthesis and Ethylene Polymerization Catalysis

AuthorsCámpora, Juan ; Naz, A. Marcos ; Palma, Pilar ; Rodríguez-Delgado, Antonio; Álvarez, Eleuterio ; Tritto, Incoronata; Boggioni, Laura
Diiminopyridine ligands
Ethylene Polymerization
Issue Date22-Feb-2008
CitationEuropean Journal of Inorganic Chemistry (11): 1871-1879 (2008)
AbstractA new methodology for selective alkylation of the 2,6-diiminopyridine (pdi) ligands allows the ready synthesis of new derivatives displaying 2-methyl-2-phenylpropyl (neophyl), benzyl, or allyl groups in the 4-position of the pyridine ring. A set of Fe and Co complexes containing the new ligands have been synthesized and fully characterized. The presence of 4-neophyl or -benzyl groups does not perturb the performance of the complexes as ethylene polymerization catalysts, but the introduction of the 4-allyl group leads to the production of higher molecular weight polymers.
Description9 páginas, 4 figuras, 2 tablas, 2 esquemas.
Publisher version (URL)http://dx.doi.org/10.1002/ejic.200701220
Appears in Collections:(IIQ) Artículos
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