potassium hydroxide in methanol 12 h; Heating;

1: Zn(Hg), conc. HCl / H2O; toluene / 72 h / Heating 2: 90 percent / KOH / methanol / 12 h / Heating View Scheme

1: H2SO4 / benzene 2: 75 percent / NaOEt / ethanol / 18 h / Heating 3: 81 percent / 85percent KOH / aq. ethanol / 10 h / Heating 4: 83 percent / anhydr. HF 5: Zn(Hg), conc. HCl / H2O; toluene / 72 h / Heating 6: 90 percent / KOH / methanol / 12 h / Heating View Scheme

1: 81 percent / 85percent KOH / aq. ethanol / 10 h / Heating 2: 83 percent / anhydr. HF 3: Zn(Hg), conc. HCl / H2O; toluene / 72 h / Heating 4: 90 percent / KOH / methanol / 12 h / Heating View Scheme

1: 75 percent / NaOEt / ethanol / 18 h / Heating 2: 81 percent / 85percent KOH / aq. ethanol / 10 h / Heating 3: 83 percent / anhydr. HF 4: Zn(Hg), conc. HCl / H2O; toluene / 72 h / Heating 5: 90 percent / KOH / methanol / 12 h / Heating View Scheme

1: 70 percent / DDQ / benzene / 24 h / Heating 2: 96 percent / LiAlH4 / diethyl ether / 1.) 35 min, reflux, 2.) room temp., overnight View Scheme

1: 70 percent / DDQ / benzene / 24 h / Heating 2: 96 percent / LiAlH4 / diethyl ether / 1.) 35 min, reflux, 2.) room temp., overnight 3: 71 percent / SOCl2 / benzene / 15 h / Ambient temperature View Scheme