Multi-step reaction with 7 steps
1.1: copper diacetate; triethylamine / dichloromethane / 20 °C / Molecular sieve
2.1: n-butyllithium / tetrahydrofuran / 0.5 h / -80 - -70 °C / Inert atmosphere
2.2: 2 h / -80 - -70 °C / Inert atmosphere
3.1: potassium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / 1,4-dioxane / 80 °C
4.1: trifluoroacetic acid / dichloromethane / 3 h / 20 °C
5.1: triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 4 h / 20 °C
6.1: pyrrolidine; chloro-trimethyl-silane / dichloromethane / 20 °C
7.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C
With
pyrrolidine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; n-butyllithium; chloro-trimethyl-silane; tetrabutyl ammonium fluoride; copper diacetate; potassium carbonate; triethylamine; trifluoroacetic acid; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide;