Synthesis, solid state and DFT structure and olefin polymerization capability of a unique base-free dimeric methyl titanium dication

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Synthesis, solid state and DFT structure and olefin polymerization capability of a unique base-free dimeric methyl titanium dication
 
Ijpeij, E. G.; Coussens, B.; Zuideveld, M.A.; Van Doremaele, G. H. J.; Mountford, P.; Lutz, M.; Spek, A.L.
(2010) Chemical Communications, volume 46, issue 19, pp. 3339 - 3341
(Article)
Abstract
Reaction of Cp*Ti{NC(ArF2)NiPr2}Me2 (1, ArF2 = 2,6-C6H3F2) with [Ph3C][B(C6F5)4] gave the base-free structurally authenticated dication [Cp*2Ti2{NC(ArF2)NiPr2}2(μ-Me)2][B(C6F5)4]2 (3-[BF20]2) containing two doubly α-agostic bridging methyl groups. 3-[BF20]2 is a highly effective ethylene–propylene polymerization catalyst at 90 °C, and its performance is identical to the catalyst generated in situ from 1 and [Ph3C][B(C6F5)4].
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DOI: https://doi.org/10.1039/b925781k
ISSN: 1359-7345
Publisher: Royal Society of Chemistry
(Peer reviewed)
 
 
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