[EN] BISINDENYL ZIRCONIUM COMPLEXES FOR USE IN THE POLYMERISATION OF OLEFINS [FR] COMPLEXES DE ZIRCONIUM DE BISINDENYLE UTILISABLES POUR LA POLYMERISATION D'OLEFINES
[EN] BISINDENYL ZIRCONIUM COMPLEXES FOR USE IN THE POLYMERISATION OF OLEFINS [FR] COMPLEXES DE ZIRCONIUM DE BISINDENYLE UTILISABLES POUR LA POLYMERISATION D'OLEFINES
A process for the preparation of indanones of the formula II from indanones of the formula I or of indanones of the formula IIa from indanones of the formula Ia
1
comprises reacting an indanone of the formula I or Ia with a coupling component.