Process for the preparation of a chiral stereorigid...

Details Process for the preparation of a chiral stereorigid... Process for the preparation of a chiral stereorigid...

C - Chemistry, Metallurgy

07

F

260/426.5

C07F 7/00 (2006.01) C07F 17/00 (2006.01)

Patent

CA 1318322

HOE 87/F 378 Abstract of the disclosure: Process for the preparation of a chiral, stereorigid metallocene compound A chiral, stereorigid metallocene compourd of the formula I [R1R2Si(idenyl)2] (I) (Me2 = Ti, Zr or Hf) which is produced as a virtually pure racemate and can be used as a catalyst component for the polymerization of 1-olefins is obtained by reacting a silylindenyl com- pound of the formula II [R1R2Si(indenyl)2]Me2 (II) (Me1 = alkali metal) with a titanium, zirconium or hafnium tetrahalide.

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