hydrogenchloride Heating;

1: KOH / H2O / 40 h / -5 °C 2: 1) Mg, 2) CuBr*SMe2 / 1) THF, reflux, 1.5 h, 2) THF, 0 deg C, 30 min 3: 93 percent / N2H4, NaOH 4: 86 percent / conc. HCl / Heating View Scheme

1: 1) Mg, 2) CuBr*SMe2 / 1) THF, reflux, 1.5 h, 2) THF, 0 deg C, 30 min 2: 93 percent / N2H4, NaOH 3: 86 percent / conc. HCl / Heating View Scheme

1: 93 percent / N2H4, NaOH 2: 86 percent / conc. HCl / Heating View Scheme