Multi-step reaction with 9 steps
1.1: pyridine / 4 h / 0 - 20 °C
2.1: lithium chloride / tetrakis(triphenylphosphine) palladium(0) / 1,4-dioxane / 14 h / 100 °C / Inert atmosphere
3.1: hydroxylamine hydrochloride; sodium acetate / methanol / 1.5 h / 80 °C
4.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere
4.2: 1.48 h / 0 °C / Cooling with ice
4.3: 0.5 h / 20 - 100 °C / Inert atmosphere
5.1: caesium carbonate / dimethyl sulfoxide / 0.5 h / 20 °C / Inert atmosphere
5.2: 5 h / 40 °C / Inert atmosphere
6.1: lithium hexamethyldisilazane / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
7.1: hydrogenchloride / diethyl ether; water / 0.5 h / 20 °C
8.1: ethanol; sodium tetrahydroborate / 19 h / 20 °C
9.1: phosphorus pentoxide; phosphoric acid / 5 h / 20 - 100 °C / Inert atmosphere
With
pyridine; hydrogenchloride; sodium tetrahydroborate; ethanol; phosphorus pentoxide; phosphoric acid; hydroxylamine hydrochloride; sodium acetate; caesium carbonate; lithium chloride; lithium hexamethyldisilazane; lithium diisopropyl amide;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 1,4-dioxane; methanol; diethyl ether; water; dimethyl sulfoxide;