Multi-step reaction with 4 steps
1.1: triethylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / dichloromethane / 16 h / 20 °C
2.1: lithium aluminium tetrahydride / tetrahydrofuran / -60 °C
3.1: triethylamine / dichloromethane / 0.25 h
3.2: 24 h / 20 °C
4.1: sodium tris(acetoxy)borohydride / dichloromethane / 20 °C
With
lithium aluminium tetrahydride; sodium tris(acetoxy)borohydride; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine;
In
tetrahydrofuran; dichloromethane;