Issue 19, 2010

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

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 ethylenepropylene polymerization catalyst at 90 °C, and its performance is identical to the catalyst generated in situ from 1 and [Ph3C][B(C6F5)4].

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

Supplementary files

Article information

Article type
Communication
Submitted
11 Dec 2009
Accepted
19 Mar 2010
First published
07 Apr 2010

Chem. Commun., 2010,46, 3339-3341

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

E. G. Ijpeij, B. Coussens, M. A. Zuideveld, G. H. J. van Doremaele, P. Mountford, M. Lutz and A. L. Spek, Chem. Commun., 2010, 46, 3339 DOI: 10.1039/B925781K

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