Multi-step reaction with 9 steps
1: methanol / 0 - 20 °C / Inert atmosphere
2: sodium carbonate / water / 20 °C / Inert atmosphere
3: sodium carbonate; potassium iodide / N,N-dimethyl-formamide / 100 °C / Inert atmosphere
4: sodium carbonate / tetrahydrofuran; water / 24 h / 20 °C / Inert atmosphere
5: lithium hydroxide monohydrate / tetrahydrofuran; water / 20 °C / Inert atmosphere
6: N,N-diethyl-N-isopropylamine; HATU / tetrahydrofuran; dichloromethane / 0 - 20 °C / Inert atmosphere
7: palladium 10% on activated carbon; hydrogen / ethyl acetate / 20 °C / Inert atmosphere
8: hydrogenchloride / 1,4-dioxane; water / 1.5 h / 20 °C / Inert atmosphere
9: N-ethyl-N,N-diisopropylamine; 3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one / tetrahydrofuran / 20 °C / Inert atmosphere
With
hydrogenchloride; lithium hydroxide monohydrate; N,N-diethyl-N-isopropylamine; palladium 10% on activated carbon; hydrogen; sodium carbonate; N-ethyl-N,N-diisopropylamine; HATU; 3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one; potassium iodide;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jm2007062