hydrogenchloride; Zn–Hg amalgam in methanol 3 h; Heating;

1.1: 33 percent / zinc amalgam; conc. HCl / methanol / 3 h / Heating 2.1: phosphorus oxychloride / 2 h / Heating 2.2: 35 percent / H2O / 18 h / 20 °C View Scheme