Patent ID: RE38683

Claim:
A method for preparing a dialkylsilyl bis (2-alkyl-4-arylindenyl) titanium dichloride which comprises: (i) reacting a 2-alkyl-4-arylindene with an alkali metal alkyl and a dihalodialkyl silane to provide a first reaction mixture in a first reaction vessel; (ii) separately reacting in a second reaction vessel titanium tetrachloride with and a second alkali metal alkyl which may be the same as or different from said first alkali metal alkyl to provide a second reaction mixture containing titanium trichloride in said second reaction vessel ; wherein said second first reaction mixture contains a ligand of said dialkylsilyl bis (2-alkyl-4-arylindenyl) titanium dichloride in which titanium is present in a plus three oxidation state; (iii) containing said first and second reaction mixtures in the presence of an oxidizing agent; wherein a third reaction mixture containing a mixture of rac and meso forms of said dialkylsilyl bis (2-alkyl-4-arylindenyl) titanium dichloride is produced.