1: With n-butyllithium; zirconocene dichloride in tetrahydrofuran; hexane T=-78 - 20°C; 2: With CuCl*2LiCl in tetrahydrofuran; hexane T=45°C; 1 h; 3: With N-bromosuccinmide in tetrahydrofuran; hexane Further stages.;

1: With (1-butene)ZrCp2 in tetrahydrofuran T=20°C; 2: With copper(l) chloride; lithium chloride in tetrahydrofuran 3: With hydrogenchloride in tetrahydrofuran

1: With dibutylzirconocene in tetrahydrofuran; hexane T=-78 - 20°C; 2: With hydrogenchloride in tetrahydrofuran; hexane T=20°C; Title compound not separated from byproducts;