N,N-diethylaniline; trichlorophosphate T=80°C; 22 h;

1: isopropyl alcohol; triethylamine; titanium tetrachloride / dichloromethane / 3 h / -10 °C 2: hydrogenchloride / methanol / |Inert atmosphere; |Reflux; |Large scale 3: sodium hydroxide; water / 3 h / 85 °C / |Large scale 4: N,N-diethylaniline; trichlorophosphate / 25 - 110 °C View Scheme

1: hydrogenchloride / methanol / |Inert atmosphere; |Reflux; |Large scale 2: sodium hydroxide; water / 3 h / 85 °C / |Large scale 3: N,N-diethylaniline; trichlorophosphate / 25 - 110 °C View Scheme

1: sodium hydroxide; water / 3 h / 85 °C / |Large scale 2: N,N-diethylaniline; trichlorophosphate / 25 - 110 °C View Scheme

1: water; hydrogenchloride; acetic acid / 110 °C 2: dichlorophenyl phosphine oxide / 6 h / 130 - 140 °C View Scheme

1: N-ethyl-N,N-diisopropylamine / ethyl acetate; 1,4-dioxane; Petroleum ether 2: tert.-butylhydroperoxide / dichloromethane; chloroform; decane View Scheme

1: N-ethyl-N,N-diisopropylamine / ethyl acetate; 1,4-dioxane; Petroleum ether 2: tert.-butylhydroperoxide / dichloromethane; chloroform; decane View Scheme

1: N-ethyl-N,N-diisopropylamine / 1,4-dioxane; water 2: tert.-butylhydroperoxide / chloroform; water; decane View Scheme