Multi-step reaction with 5 steps
1.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 0.25 h / 20 °C
1.2: 20 °C
2.1: sodium hydroxide; water / tetrahydrofuran / 3 h / 20 °C
2.2: pH 2 - 3
3.1: triethylamine / 0.5 h / 20 °C
3.2: 0.25 h / 100 °C / Microwave irradiation
4.1: hydrogenchloride / 1,4-dioxane / 48 h / 20 °C
4.2: 0.5 h / 20 °C
5.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl acetamide / 20 - 60 °C
With
hydrogenchloride; water; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; N-ethyl-N,N-diisopropylamine; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; N,N-dimethyl acetamide; N,N-dimethyl-formamide;
3.2: Curtius Rearrangement;