acetic acid 3 h; Reflux;

hydrogen; acetic acid; palladium on activated charcoal P=1838.8 Torr; 4 h;

1: phosphorus oxychloride, phosphorus pentachloride 2: 86 percent / benzene / 8 h / Heating 3: 88 percent / H2, gl. acetic acid / 5percent Pd-C / 4 h / 1838.8 Torr View Scheme

1: 86 percent / benzene / 8 h / Heating 2: 88 percent / H2, gl. acetic acid / 5percent Pd-C / 4 h / 1838.8 Torr View Scheme

1.1: sulfuric acid / 1.33 h / 50 - 65 °C 2.1: hydroxylamine hydrochloride / water / 0.5 h / |Reflux 2.2: 0.5 h / |Reflux 3.1: trichlorophosphate / 0 - 70 °C 4.1: acetic acid / 3 h / |Reflux View Scheme

1.1: hydroxylamine hydrochloride / water / 0.5 h / |Reflux 1.2: 0.5 h / |Reflux 2.1: trichlorophosphate / 0 - 70 °C 3.1: acetic acid / 3 h / |Reflux View Scheme

1.1: sodium sulfate; hydrogenchloride; hydroxylamine hydrochloride / water / 1 h / |Reflux 2.1: sulfuric acid / 1.33 h / 50 - 65 °C 3.1: hydroxylamine hydrochloride / water / 0.5 h / |Reflux 3.2: 0.5 h / |Reflux 4.1: trichlorophosphate / 0 - 70 °C 5.1: acetic acid / 3 h / |Reflux View Scheme

1: trichlorophosphate / 0 - 70 °C 2: acetic acid / 3 h / |Reflux View Scheme