sodium carbonate; triethylamine; trichlorophosphate 1.) CH2Cl2, 0 deg C, 1 h, 2.) CH2Cl2, 1 h; Yield given. Multistep reaction;

1: With lithium aluminium tetrahydride in tetrahydrofuran T=0 - 20°C; 64 h; 2: With sodium hydroxide; water

1: diisopropylamine; trichlorophosphate / dichloromethane / -30 °C / |Inert atmosphere 2: sodium hydride / N,N-dimethyl-formamide; mineral oil / 2 h / 20 °C / |Inert atmosphere View Scheme

1: 78 percent / LiAlH4 / tetrahydrofuran 2: sodium nitrite, aq. acetic acid / 25 h / Ambient temperature View Scheme