trichlorophosphate T=110°C; 1 h; Microwave irradiation;

1.1: diethyl ether; tetrahydrofuran / 0 °C / Reflux 2.1: formic acid; dihydrogen peroxide / water / 4 h / 20 °C 3.1: lithium diisopropyl amide / hexane; tetrahydrofuran / 0.5 h / -78 °C 3.2: 3 h / -78 - 20 °C 4.1: potassium hydroxide / water / 20 °C 5.1: hydrogenchloride; water / 1 h / Reflux 6.1: ammonia / water / 5 h / Heating; High-pressure flask 7.1: trichlorophosphate / 1 h / 110 °C / Microwave irradiation View Scheme

1.1: diethyl ether; tetrahydrofuran / 0 °C / Reflux 2.1: formic acid; dihydrogen peroxide / water / 4 h / 20 °C 3.1: lithium diisopropyl amide / hexane; tetrahydrofuran / 0.5 h / -78 °C 3.2: 3 h / -78 - 20 °C 4.1: potassium hydroxide / water / 20 °C 5.1: hydrogenchloride; water / 1 h / Reflux 6.1: ammonia / water / 5 h / Heating; High-pressure flask 7.1: trichlorophosphate / 1 h / 110 °C / Microwave irradiation View Scheme

1.1: lithium diisopropyl amide / hexane; tetrahydrofuran / 0.5 h / -78 °C 1.2: 3 h / -78 - 20 °C 2.1: potassium hydroxide / water / 20 °C 3.1: hydrogenchloride; water / 1 h / Reflux 4.1: ammonia / water / 5 h / Heating; High-pressure flask 5.1: trichlorophosphate / 1 h / 110 °C / Microwave irradiation View Scheme

1.1: formic acid; dihydrogen peroxide / water / 4 h / 20 °C 2.1: lithium diisopropyl amide / hexane; tetrahydrofuran / 0.5 h / -78 °C 2.2: 3 h / -78 - 20 °C 3.1: potassium hydroxide / water / 20 °C 4.1: hydrogenchloride; water / 1 h / Reflux 5.1: ammonia / water / 5 h / Heating; High-pressure flask 6.1: trichlorophosphate / 1 h / 110 °C / Microwave irradiation View Scheme

1: potassium hydroxide / water / 20 °C 2: hydrogenchloride; water / 1 h / Reflux 3: ammonia / water / 5 h / Heating; High-pressure flask 4: trichlorophosphate / 1 h / 110 °C / Microwave irradiation View Scheme

1: hydrogenchloride; water / 1 h / Reflux 2: ammonia / water / 5 h / Heating; High-pressure flask 3: trichlorophosphate / 1 h / 110 °C / Microwave irradiation View Scheme