hydrogenchloride in diethyl ether T=0°C; 6 h;

1: 1.) NaH / 1.) DMSO, 2.) 2 h 2: 93 percent / H2SO4 / H2O / 3 h 3: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme

1: N-bromosuccinimide 2: benzene / 1.) 20 deg C, 2 h, 2.) 60-70 deg C, 4 h 3: NaOH / diethyl ether / 4 h 4: H2SO4 / aq. ethanol / 2 h 5: 94 percent / CaCl2 / 72 h / Ambient temperature 6: 1.) NaH / 1.) DMSO, 2.) 2 h 7: 93 percent / H2SO4 / H2O / 3 h 8: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme

1: benzene / 1.) 20 deg C, 2 h, 2.) 60-70 deg C, 4 h 2: NaOH / diethyl ether / 4 h 3: H2SO4 / aq. ethanol / 2 h 4: 94 percent / CaCl2 / 72 h / Ambient temperature 5: 1.) NaH / 1.) DMSO, 2.) 2 h 6: 93 percent / H2SO4 / H2O / 3 h 7: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme

1: 94 percent / CaCl2 / 72 h / Ambient temperature 2: 1.) NaH / 1.) DMSO, 2.) 2 h 3: 93 percent / H2SO4 / H2O / 3 h 4: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme

1: 93 percent / H2SO4 / H2O / 3 h 2: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme

1: H2SO4 / aq. ethanol / 2 h 2: 94 percent / CaCl2 / 72 h / Ambient temperature 3: 1.) NaH / 1.) DMSO, 2.) 2 h 4: 93 percent / H2SO4 / H2O / 3 h 5: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme

1: NaOH / diethyl ether / 4 h 2: H2SO4 / aq. ethanol / 2 h 3: 94 percent / CaCl2 / 72 h / Ambient temperature 4: 1.) NaH / 1.) DMSO, 2.) 2 h 5: 93 percent / H2SO4 / H2O / 3 h 6: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme

1: 24 percent / SeO2 / dioxane / 2 h / Heating 2: 94 percent / CaCl2 / 72 h / Ambient temperature 3: 1.) NaH / 1.) DMSO, 2.) 2 h 4: 93 percent / H2SO4 / H2O / 3 h 5: 52 percent / conc. HCl / diethyl ether / 6 h / 0 °C View Scheme