in toluene Irradiation (UV/VIS); 0°C;

benzene in benzene Irradiation (UV/VIS); (C5Me5)2Zr(H)CH2CH(CH3) in benzene is degassed and photolyzed with a blacklight for 10 days (vac.).; Evapn., addn. of petroleum ether at -78°C, stirring for several hours, cold filtn. of yellow solid, washing (cold petroleum ether), recrystn. (-78°C, petroleum ether), elem. anal.;

in toluene Irradiation (UV/VIS); 0°C;

in toluene Irradiation (UV/VIS); 0°C;