Multi-step reaction with 8 steps
1.1: tetrahydrofuran; diethyl ether / 16 h / 0 - 20 °C / Inert atmosphere
2.1: sodium tetrahydroborate; methanesulfonic acid / tetrahydrofuran; water / 18 h / -10 °C / Inert atmosphere
2.2: 5 h / 0 - 20 °C / Inert atmosphere
3.1: potassium carbonate / tert-butyl methyl ether / 2 h / 20 °C / Inert atmosphere
4.1: palladium 10% on activated carbon; ammonium formate / tetrahydrofuran / 4 h / Reflux; Inert atmosphere
5.1: N-ethyl-N,N-diisopropylamine; 3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one / tetrahydrofuran / 16 h / 20 °C / Inert atmosphere
6.1: dmap / dichloromethane / 2 h / 40 °C / Inert atmosphere
7.1: bis-triphenylphosphine-palladium(II) chloride; sodium carbonate / N,N-dimethyl-formamide / 2 h / 80 °C / Inert atmosphere
8.1: hydrogenchloride / 1,4-dioxane / 0.5 h / 20 °C / Inert atmosphere
8.2: 16 h / 20 °C / Inert atmosphere
With
hydrogenchloride; dmap; bis-triphenylphosphine-palladium(II) chloride; sodium tetrahydroborate; methanesulfonic acid; palladium 10% on activated carbon; ammonium formate; sodium carbonate; potassium carbonate; N-ethyl-N,N-diisopropylamine; 3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one;
In
tetrahydrofuran; 1,4-dioxane; diethyl ether; dichloromethane; tert-butyl methyl ether; water; N,N-dimethyl-formamide;
7.1: Suzuki coupling;
DOI:10.1021/jm201109t