Multi-step reaction with 5 steps
1.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; 1,1'-bis-(diphenylphosphino)ferrocene; potassium acetate / dimethyl sulfoxide / 16 h / 80 °C / Inert atmosphere
2.1: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; palladium diacetate; potassium carbonate / acetonitrile; water / 3 h / 80 °C / Inert atmosphere
3.1: acetic acid; sodium sulfate / dichloromethane / 1 h / 18 - 25 °C / Inert atmosphere
3.2: 1.5 h / Inert atmosphere
4.1: trifluoroacetic acid / dichloromethane / 3 h / 0 - 25 °C
5.1: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.17 h / Inert atmosphere
5.2: 18 - 25 °C / Inert atmosphere
With
dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; 1,1'-bis-(diphenylphosphino)ferrocene; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate; palladium diacetate; potassium carbonate; acetic acid; sodium sulfate; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate;
In
dichloromethane; water; dimethyl sulfoxide; acetonitrile;
DOI:10.1021/jm5001216