Multi-step reaction with 5 steps
1: potassium carbonate / acetonitrile; water / 3 h / 20 °C
2: 5%-palladium/activated carbon; hydrogen / methanol / 20 °C
3: 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 / 20 °C
4: trifluoroacetic acid / dichloromethane / 2 h / 20 °C
5: 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 / 5 h / 20 °C
With
5%-palladium/activated carbon; hydrogen; potassium carbonate; 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
methanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/jm4017762