bis(cyclopentadienyl)titanium dichloride; tert.-butyl lithium in tetrahydrofuran; pentane T=25°C; 2 h;

4 A molecular sieve; magnesium; triethyl phosphite; bis(cyclopentadienyl)titanium dichloride in tetrahydrofuran 0.5 h; Heating;

1: 60 percent / 4 Angstroem molecular sieves / diethyl ether / 12 h / 20 °C 2: 18 percent / SmI2 / tetrahydrofuran; hexamethylphosphoric acid triamide / 0 - 20 °C View Scheme

jones reagent; osmium(VIII) oxide in water; acetone 20 h; Ambient temperature;