Multi-step reaction with 6 steps
1.1: triethylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / dichloromethane; tetrahydrofuran / 4.83 h / Inert atmosphere
2.1: dichloromethane / 0.5 h / 20 °C
3.1: potassium carbonate / acetonitrile; water / 24 h / 60 °C
4.1: N-benzyl-trimethylammonium hydroxide / toluene; methanol
4.2: 18 h / 20 °C
5.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
6.1: triethylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / N,N-dimethyl-formamide; tetrahydrofuran / 20 °C
With
N-benzyl-trimethylammonium hydroxide; potassium carbonate; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine; trifluoroacetic acid;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile;