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Wiley, European Journal of Inorganic Chemistry, 14(2005), p. 2924-2934, 2005

DOI: 10.1002/ejic.200500165

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Novel Indenylzirconium Complexes as Supported Catalysts in the Polymerization of Ethylene

Journal article published in 2005 by Carlos Alonso-Moreno, Antonio Antiñolo, Fernando Carrillo-Hermosilla ORCID, Pedro Carrión, Isabel López-Solera, Antonio Otero, Sanjiv Prashar ORCID, José Sancho
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This paper is available in a repository.

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Abstract

{{A series of substituted indene C9H7R-3 [R = CH2CH2CH2O-SiMe3 (1), CH2CH2CH2OCH2C6H5 (2), CH2CH2CH2OSiMe2-tBu (3)], and ansa-indene compounds Me2Si(C9H6R-3)(2)-1 [R = CH2CH2CH2OSiMe3 (4)], Me2Si(C9H6R-3)-1(C5HMe4) [R = CH2CH2CH2OSiMe3 (5), CH2CH2CH2OCH2C6H5 (6), CH2CH=CH2 (7), CH(2)CH(2)CH(2)OSiMe(2)tBu (8)] have been prepared. The lithium derivatives of 1-8 were employed in the synthesis of the indenylzirconium complexes [Zr(eta(5)- C9H6R-1)(2)Cl-2] [R = CH2CH2CH2OSiMe3 (17), CH2CH2CH2OCH2C6H5 (18), CH(2)CH(2)CH(2)OSiMe(2)tBu (19)], rac-[ZrMe2Si(eta(5) -C9H5R-3)(2)-1)Cl-2] [R = CH2CH2CH2OSiMe3 (20)], [Zr(Me2Si(eta(5)-C9H5R-3)-1 (eta(5)-C5Me4)}Cl-2] [R = CH2CH2CH2OSiMe3 (21), CH2CH2CH2OCH2C6H5 (22), CH2CH=CH2 (23), CH2CH2CH2OSiMe2tBu (24)] and [Zr(Me2Si(eta(5)-C9H5(CH2CH2CH2O)-3}-1[eta(5)-C5Me4)Cl] (21a). The alkyl complexes [Zr(Me2Sieta(5)-C9H5(CH2CH2CH2O)-3-1(eta(5) -C5Me4