2,4-dimethoxy-1-methylpyridinium hexafluorophosphate in neat (no solvent) T=147°C; 4 h; heat of isomerization; study of tautomeric equilibria and tautomeric energy differences; Thermodynamic data;

hydrogenchloride in 1,4-dioxane T=60°C; Hydrolysis; 2 h;

1: 98 percent / aq. HCl / dioxane / 2 h / 60 °C 2: 85 percent / LiH / dioxane / 10 h / 60 °C View Scheme