1: in tetrahydrofuran; hexane T=-78 - 0°C; 2.5 h; 2: With sodium hydroxide; dihydrogen peroxide in tetrahydrofuran; hexane; water T=20°C; 2.5 h;

1: in tetrahydrofuran; hexane T=-78 - 0°C; 2.5 h; 2: With sodium hydroxide; dihydrogen peroxide in tetrahydrofuran; hexane; water T=20°C; 2.5 h;

tert.-butyl lithium in toluene; pentane T=-78 - 20°C; 15 h; Title compound not separated from byproducts.;

1: (-)-(RS,R)-1-chloro-2-phenylethyl p-tolyl sulfoxide With ethyl magnesium chloride in tetrahydrofuran; toluene T=-78°C; 0.8 h; 2: 2,5,5-trimethyl-1,3,2-dioxaborinane in tetrahydrofuran; toluene Heating; 3: With sodium hydroxide; dihydrogen peroxide in various solvents T=0 - 20°C; 3 h;