N,N-dimethyl-formamide; trichlorophosphate T=100°C;

hydrogenchloride in tetrahydrofuran; acetone Ambient temperature0.25-0.5 h; Yield given;

1: 1.) oxalyl chloride / 1.) 1,2-dichloroethane, rt, 3 h 2.) 1,2-dichloroethane, rt, 15 h 2: sodium acetate / H2O / 0.5 h / Ambient temperature 3: 0.5 N hydrochloric acid / tetrahydrofuran; acetone / Ambient temperature; 0.25-0.5 h View Scheme

trichlorophosphate 1 h; Ambient temperatureanother 1.5 h heating in a 100 deg C bath;

N,N-dimethyl-formamide; trichlorophosphate T=100°C;

ammonium cerium(IV) nitrate in water; acetone 0.25-0.5 h;