hydrogenchloride in methanol 17 h; Ambient temperature;

1: 80 percent / aq. NaOH 2: 20.7 percent / Sodium methoxide, / dimethylformamide / 1.) 35 deg C, 10 min 2.) room temp. - 50 deg C, 2 h 3: 94 percent / 3N aq. HCl / methanol / 17 h / Ambient temperature View Scheme

1: 20.7 percent / Sodium methoxide, / dimethylformamide / 1.) 35 deg C, 10 min 2.) room temp. - 50 deg C, 2 h 2: 94 percent / 3N aq. HCl / methanol / 17 h / Ambient temperature View Scheme