Patent Number: 6,252,098

Title: Enhanced synthesis of racemic metallocenes

Abstract: Chiral metallocenes are prepared by reacting a salt of an asymmetric bis(cyclopentadienyl)-moiety-containing ligand with a tertiary heteroaromiatic amine adduct of a transition, lanthanide, or actinide metal halide in an organic solvent or diluent so as to produce said chiral metallocene.

Inventors: Winkler; Uwe F. (Baton Rouge, LA), Ao; Meng-Sheng (Baton Rouge, LA)

Assignee: Albemarle Corporation

International Classification: C07F 17/00 (20060101); C07F 017/00 (); C07F 007/00 (); B01J 031/00 ()

Expiration Date: 06/26/2018