Process for producing 1-hexene

Details Process for producing 1-hexene Process for producing 1-hexene

C - Chemistry, Metallurgy

07

C

C07C 11/107 (2006.01) C07C 2/30 (2006.01) C07C 2/32 (2006.01) C07C 2/36 (2006.01)

Patent

CA 2156789

A process for preparing 1-hexene which comprises trimerizing ethylene in a 1-hexene solvent in the presence of a catalyst system prepared by contacting in a 1-hexene solvent the following components (A), (B), (C) and (D): (A) a chromium-containing compound represented by the general formula: CrXkYm wherein X is a residue of a carboxylic acid, a residue of a 1,3-diketone, a halogen atom or an alkoxyl group, k is an integer of 2 to 4, Y in Ym is an amine compound, a phosphine compound, a phosphine oxide compound, a nitrosyl group or an ether compound and m is an integer of 0 to 6, with the proviso that any two Y's may be same or different; (B) trialkylaluminum or dialkylaluminum hydride; (C) a pyrrole compound or a derivative thereof; (D) a group 13 (III B)-halogen compound represented by the general formula: MTtU3-t or a group 14 (IV B)-halogen compound represented by the general formula: M'Tt'U4-t' wherein M is an atom from the group 13 (III B), M' is an atom from the group 14(IV B), T is an alkyl group, an aryl group, an allyl group or a hydrogen atom, U is a halogen atom, t is a real number of 0 or more and less than 3 and t' is a real number of 0 or more and less than 4.

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