n-butyllithium in tetrahydrofuran T=0°C; 0.0833333 h; Yield given;

Ph3BiCl2 in toluene T=19°C; 200 h; Yield given. Yields of byproduct given;

in tetrachloromethane T=19°C; 216 h; hydrolysis of the reaction mixture by 15percent aqueous THF; variation of solvents and reaction time; Product distribution;

in toluene byproducts: benzene, cyclo-C6H11OH, C6H10O; sealed evacuated H-shaped ampuls; react. of Ph3BiCl2 and Li-compd. in toluene at 19°C (200 h); transcondensation of lig. products with cooling (liq. N2) into a limb of the ampul, hydrolyzation of solid residue by aq. THF, codensation of alcohol into a trap (liq. N2), treatement of solid residue (hexane, water); detn. of lig. products by GLC anal.;

in toluene byproducts: LiCl, C6H6, cyclohexanone; 19°C, 200 h in the dark, further byproduct cyclohexanol; vac.-distilln., GLC;

in tetrachloromethane T=19°C; 216 h; hydrolysis of the reaction mixture by 15percent aqueous THF; variation of solvents and reaction time; Product distribution;

1: tetrahydrofuran / 0.33 h / -78 °C 2: tetrahydrofuran / -78 - 20 °C View Scheme

in tetrahydrofuran T=-78°C; 0.333333 h; Title compound not separated from byproducts;

in tetrahydrofuran T=-78°C; 0.333333 h; Title compound not separated from byproducts;

in tetrahydrofuran T=-78°C; 0.333333 h; Title compound not separated from byproducts;