Multi-step reaction with 4 steps
1: oxalyl dichloride / dichloromethane / 3 h / 20 °C
2: N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h / 20 °C
3: sodium hydroxide; ammonium chloride; ammonium hydroxide; sodium hypochlorite / diethyl ether; tert-butyl methyl ether / 20 °C
4: N-ethyl-N,N-diisopropylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate / 0 - 20 °C
With
ammonium hydroxide; sodium hypochlorite; oxalyl dichloride; ammonium chloride; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; sodium hydroxide;
In
diethyl ether; dichloromethane; tert-butyl methyl ether; ethyl acetate;