Multi-step reaction with 6 steps
1.1: acetic acid / 1 h / 50 °C
2.1: water; lithium hydroxide / tetrahydrofuran / 3 h / 60 °C
2.2: pH ~ 3 - 4
3.1: ammonium chloride; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
4.1: boron dimethyl-trifluoro sulphide / dichloromethane / 0 - 20 °C
5.1: caesium carbonate / N,N-dimethyl-formamide / 1 h / 100 °C
6.1: potassium carbonate / potassium iodide / N,N-dimethyl-formamide / 6 h / 100 °C
With
boron dimethyl-trifluoro sulphide; water; potassium carbonate; ammonium chloride; caesium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; lithium hydroxide;
potassium iodide;
In
tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;