Multi-step reaction with 7 steps
1.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere
1.2: 4 h / 20 - 80 °C / Inert atmosphere
2.1: lithium chloride / dimethyl sulfoxide; water / 16 h / 80 °C / Inert atmosphere
3.1: N,N-dimethyl acetamide / 16 h / 80 °C / Inert atmosphere
4.1: acetic acid; iron / 2 h / 60 °C / Inert atmosphere
5.1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 80 °C / Inert atmosphere
6.1: lithium hydroxide / water; ethanol / 5 h / 20 °C / Inert atmosphere
7.1: triethylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / dichloromethane / 0.08 h / 20 °C / Inert atmosphere
7.2: 20 °C / Inert atmosphere
With
iron; sodium hydride; potassium carbonate; acetic acid; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine; lithium chloride; lithium hydroxide;
In
ethanol; dichloromethane; N,N-dimethyl acetamide; water; dimethyl sulfoxide; N,N-dimethyl-formamide;
DOI:10.1021/jm401382v