hydrogenchloride 1.) ethanol, reflux 20 h, 2.) ether;

1: 95 percent / NaOH / H2O / 1.) 90 deg C, 1 h, 2.) 4 h. 2: 58 percent / methanol / 10 h / Heating 3: 83 percent / HCl / 1.) ethanol, reflux 20 h, 2.) ether View Scheme

1: 58 percent / methanol / 10 h / Heating 2: 83 percent / HCl / 1.) ethanol, reflux 20 h, 2.) ether View Scheme