Multi-step reaction with 6 steps
1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / -30 - 20 °C
2.1: N-ethyl-N,N-diisopropylamine / dimethyl sulfoxide / 20 °C / Inert atmosphere
3.1: trifluoroacetic acid / dichloromethane / 2.5 h / 60 °C
4.1: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine / dichloromethane
5.1: hydrogenchloride; iron / isopropyl alcohol / 2 h / 20 °C
6.1: dichloromethane / 1 h
6.2: 0.5 h
With
hydrogenchloride; iron; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
In
dichloromethane; dimethyl sulfoxide; isopropyl alcohol;