Alternative aluminum-based cocatalysts for the iron-catalyzed oligomerization of ethylene†
Abstract
Multinuclear aluminum cocatalysts have been obtained by the reaction of various phenols, alcohols or diols with trimethylaluminum and were used in situ or as isolated, well-defined species, for the activation of an iron(II) or an iron(III) pre-catalyst for the oligomerization of ethylene. The best cocatalyst candidate involves 2,2′-biphenol (10) in a 10/AlMe3 ratio of 2/3.