tin(IV) chloride in dichloromethane T=0°C; 1 h;

titanium tetrachloride in dichloromethane

1: With bis(cyclopentadienyl)titanium dichloride; zinc in tetrahydrofuran 0.5 h; Inert atmosphere; 2: With sodium dihydrogenphosphate; water in tetrahydrofuran 0.333333 h; Inert atmosphere;