Multi-step reaction with 9 steps
1: morpholine / Reflux
2: 2-methyltetrahydrofuran / 20 °C
3: acetic acid; sulfuric acid / 15 h / 110 °C
4: O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine / N,N-dimethyl-formamide
5: n-butyllithium / tetrahydrofuran / -78 °C
6: hydrogenchloride; water / 1,4-dioxane / 1.5 h / 100 °C
7: potassium carbonate / N,N-dimethyl acetamide
8: hydroxylamine hydrochloride; sodium acetate / ethanol; water / Reflux
9: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate / water; 1,4-dioxane
With
morpholine; hydrogenchloride; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; n-butyllithium; sulfuric acid; hydroxylamine hydrochloride; water; sodium acetate; sodium carbonate; potassium carbonate; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; acetic acid; triethylamine;
In
tetrahydrofuran; 2-methyltetrahydrofuran; 1,4-dioxane; ethanol; N,N-dimethyl acetamide; water; N,N-dimethyl-formamide;
9: |Suzuki Coupling;
DOI:10.1016/j.bmcl.2013.06.017