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2,2'-Bis(2-indenyl) biphenyl

2,2'-Bis(2-indenyl) biphenyl is a ligand used to make complexes of titanium, zirconium and hafnium ^[1]. Zirconium and hafnium complexes made from this ligand were found to be active catalysts for the polymerization of ethylene and propylene.

References

• ^  H. J. Arts, M. Kranenburg, R. H. A. M. Meijers, E. G. Ijpeij, G. J. M. Gruter and F. H. Beijer. Indenyl Compounds for the Polymerization of Olefins US Patent 6,342,622; Jan. 29, 2002.