Method for preparing 2,2'-bisindenylbiphenyl ligand and metallocene complex thereof

摘要

The invention relates to a novel process for the preparation of 2,2-bis indenyl biphenyl ligands of following formula (3): The invention also relates to metallocene complexes prepared using the novel process for the preparation of 2,2-bis indenyl biphenyl ligands. The invention also relates to novel intermediates used in the process for the preparation of 2,2-bis indenyl biphenyl ligands.