potassium carbonate; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate in N,N-dimethyl-formamide T=20°C; 18 h;

1: potassium carbonate / N,N-dimethyl-formamide / 2 h / 20 °C 2: lithium hydroxide hydrate; water / methanol; tetrahydrofuran / 1 h / 20 °C 3: potassium carbonate; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 18 h / 20 °C View Scheme

1: lithium hydroxide hydrate; water / methanol; tetrahydrofuran / 1 h / 20 °C 2: potassium carbonate; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 18 h / 20 °C View Scheme