Multi-step reaction with 7 steps
1: tetrahydrofuran / 2 h / 20 °C
2: potassium hydroxide / methanol / 12 h / Reflux
3: potassium carbonate / N,N-dimethyl-formamide / 2 h / 45 °C
4: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / 1,4-dioxane / 12 h / 85 °C / Inert atmosphere
5: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0) / water; 1,2-dimethoxyethane / 16 h / 80 °C / Inert atmosphere; Sealed tube
6: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 16 h / 20 °C
7: Dess-Martin periodane / 4.5 h / 0 - 20 °C
With
dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); potassium acetate; potassium carbonate; Dess-Martin periodane; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; potassium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; water; N,N-dimethyl-formamide;