ammonia in methanol T=20°C; Deacetylation; 24 h;

1.1: HMDS; ammonium sulfate / 24 h / Heating 1.2: 83 percent / TMSOSO2CF3 / 1,2-dichloro-ethane / 24 h / 20 °C 2.1: 93 percent / NH3 / methanol / 24 h / 20 °C View Scheme