1: With methanesulfonyl chloride; triethylamine in dichloromethane T=10°C; Inert atmosphere; 2: With Na2S2O3 pentahydrate in water T=80 - 85°C; 2 - 2.5 h; 3: With 1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione in water; acetic acid T=23 - 28°C;

trichlorophosphate 8 h; Reflux;

1: With sodium sulfite in 1,4-dioxane; water 16 h; Heating / reflux; 2: With thionyl chloride; N,N-dimethyl-formamide in 1,4-dioxane; water 2 h; Heating / reflux;

methanol Behandeln des Reaktionsprodukts mit Phosphorylchlorid und Phosphor(V)-chlorid;

in tetrahydrofuran

(i) MeOH, (ii) PCl5, toluene; Multistep reaction;

ammonium hydroxide in water T=20°C; 3 h;