1: diphenyl ether / 0.75 h / Heating 2: POCl3 / 2 h / Heating View Scheme

1: toluene / Heating 2: diphenyl ether / 0.75 h / Heating 3: POCl3 / 2 h / Heating View Scheme

trichlorophosphate 2 h; Heating; Yield given;

1: 2.47 g / aq. NaOH / ethanol / 1 h / Heating 2: thionyl chloride / 2 h / Heating 3: 10.9 g / aq. ammonia / acetone / 10 °C 4: 9.0 g / cyanuric chloride / dimethylformamide / 0.5 h View Scheme

1: 2.47 g / aq. NaOH / ethanol / 1 h / Heating 2: thionyl chloride / 2 h / Heating 3: 10.9 g / aq. ammonia / acetone / 10 °C View Scheme

1.1: 2.47 g / aq. NaOH / ethanol / 1 h / Heating 2.1: thionyl chloride / 2 h / Heating 3.1: 10.9 g / aq. ammonia / acetone / 10 °C 4.1: 9.0 g / cyanuric chloride / dimethylformamide / 0.5 h 5.1: LDA / heptane; tetrahydrofuran; ethylbenzene / 0.33 h / -78 °C 5.2: 750 mg / iodine / heptane; tetrahydrofuran; ethylbenzene / 5 h / -78 °C View Scheme

1: 2.47 g / aq. NaOH / ethanol / 1 h / Heating 2: thionyl chloride / 2 h / Heating 3: 10.9 g / aq. ammonia / acetone / 10 °C 4: 9.0 g / cyanuric chloride / dimethylformamide / 0.5 h 5: 35 mg / N-bromosuccinimide / dimethylformamide / 75 h / 40 - 60 °C View Scheme

sodium hydroxide 24 h; Ambient temperature; Yield given;