Preparation of chromium complexes for ethylene tetramerization catalyst
Jun Hyeong Park,
Ju Yong Park,
Jun Won Baek
et al.
Abstract:One of the remaining challenges in the commercialization of a highly efficient ethylene tetramerization catalyst, [1‐CrCl2][B(C6F5)4] (1=iPrN[P(C6H4Si(Octyl)3)2]2), is the generation of small amounts of polyethylene (PE). To address this issue, we explored different activator options and found that (Octyl)3Al was the most effective choice. Building on the observation that [iPrN(PPh2)2]CrCl3(THF) was not completely alkylated by the action of excess Me3Al to form ([iPrN(PPh2)2]Cr(μ2‐Cl)(ClMe2AlClAlMe3))2, we syn… Show more
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