Process for the preparation of 1-hexene

Details Process for the preparation of 1-hexene Process for the preparation of 1-hexene

C - Chemistry, Metallurgy

07

C

C07C 11/107 (2006.01) C07C 2/32 (2006.01)

Patent

CA 2373406

Process for the preparation of 1-hexene consisting in effecting the oligomerization of ethylene in the presence of a catalyst comprising a vanadium complex having the formula: (arene)2VX wherein the term arene represents benzene or mono-, di-, or tri-alkylsubstituted benzene, V is a vanadium ion with a low oxidation state, and X is an anion selected from Cl, Br and I halide ions, or from non-coordinated anions such as B(Ar)4, AlCl4, carboxylates and sulfonates.

L'invention concerne un procédé de préparation de 1-hexène, consistant à provoquer l'oligomérisation d'éthylène en présence d'un catalyseur comprenant un complexe de vanadium représenté par la formule: (arène)2VX. Le terme arène représente le benzène ou le benzène mono, di ou trialkyle-substitué, V représente un ion vanadium à faible degré d'oxydation, et X représente un anion sélectionné dans les ions halogénure Cl, Br et I, ou dans des anions non coordonnés tels que B(Ar)4<->, AlCl4<->, les carboxylates et les sulfonates.

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