Integrated process for preparation of diene complexes

C - Chemistry – Metallurgy – 07 – F

Patent

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Details

C07F 7/00 (2006.01) C07F 7/08 (2006.01) C07F 7/28 (2006.01) C07F 9/50 (2006.01) C07F 17/00 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2322324

Disclosed is a process for prepararing bridged Group 4 metal complexes containing a neutral dime ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate metal diene complexes, their formation from tetravalent metal salts and an integrated process combining both process steps are claimed.

La présente invention concerne un process donnant des complexes pontés de métaux du Groupe IV contenant un diène neutre ligand. On part de complexes contenant le diène du métal correspondant, et on les fait réagir avec le dérivé bivalent d'un composé à base du ligand bidenté ponté. L'invention concerne également les complexes intermédiaires des diènes de métal, leur formation à partir de sels de métaux quadrivalents, et un process intégré combinant les deux opérations.

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