in benzene-d6 Irradiation (UV/VIS); a soln. of complexes, molar ratio Ph2ZrCp2:(styryl)ZrClCp2 1:2 was irradiated for 16 h at 20°C in a sealed NMR tube; not sep.;

hydrogenchloride in tetrahydrofuran mixing of Zr-complex with Li-salt in THF (molar ratio 1:1, -78°C, 1 h), rise of temp. to 25°C (over 1 h); gas liquid chromy. after quenching with 2 N HCl;

hydrogenchloride in tetrahydrofuran mixing of Zr-complex with Li-salt in THF (molar ratio 1:1, -78°C, 1 h), rise of temp. to 25°C (over 1 h); gas liquid chromy. after quenching with 2 N HCl;