sodium methylate in N,N-dimethyl-formamide 1.) 35 deg C, 10 min 2.) room temp. - 50 deg C, 2 h;

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 View Scheme

hydrogenchloride in methanol 17 h; Ambient temperature;