Process for the production of vanadium bis-arenes from...

Details Process for the production of vanadium bis-arenes from... Process for the production of vanadium bis-arenes from...

C - Chemistry, Metallurgy

07

F

C07F 9/00 (2006.01)

Patent

CA 2073634

A process is described for the preparation of a vanadium bis-arene, [V(arene)2], starting from vanadium oxychloride, aluminium metal, aluminium trichloride and an arene, wherein: a) vanadium oxychloride (VOCl3), active aluminium metal, and aluminium trichloride are put in contact with each other, in a liquid arene, to transform the vanadium oxychloride into the complex compound [V(arene)2]+ [AlCl4]-; b) a liquid cyclic or acyclic ether is added to the reaction product of step a) to reduce [V(arene)2]+ to [V(arene)2]; and c) the vanadium bis-arene [V(arene)2] is recovered form the reaction product of step b). The vanadium bis-arenes thus obtained are used in the preparation of catalysts for the polymerization of olefins.

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