potassium hydroxide in ethylene glycol 10 h; Heating;

1: 77 percent / triethylbenzylammonium chloride; NaOH / H2O / 2 h / 55 - 75 °C 2: 71 percent / KOH / ethane-1,2-diol / 10 h / Heating View Scheme

1: K-t-butoxide / dimethylformamide / 24 h / Ambient temperature 2: aq. NaOH / methanol / 12 h / Ambient temperature 3: aq. conc. HCl / 12 h / 100 °C View Scheme