Process for the preparation of cyclopentadienyl compounds...

Details Process for the preparation of cyclopentadienyl compounds... Process for the preparation of cyclopentadienyl compounds...

C - Chemistry, Metallurgy

07

F

C07F 17/00 (2006.01) C07C 13/28 (2006.01)

Patent

CA 2167860

A process is disclosed for preparing bis-cyclopentadienyl compounds bridged by a single carbon atom by reacting a carbonyl compound with a cyclopentadienyl compound in the presence of a base and of an oxygen-containing solvent having an atomic ratio carbon/oxygen not higher than 3. The compounds obtainable in high yields with this simple single-step process can be used to prepare ansa-metallocenes which are active as catalyst components in the polymerization of olefins.

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