Multi-step reaction with 9 steps
1.1: toluene-4-sulfonic acid / methanol / 1 h / Reflux
2.1: caesium carbonate / N,N-dimethyl-formamide / 3 h / 60 °C
3.1: hydrogenchloride; water / acetonitrile / 2 h / 60 °C
4.1: sodium cyanoborohydride / dichloromethane / 3 h
5.1: ammonium chloride; zinc / tetrahydrofuran / 0.42 h
6.1: acetic acid / 1 h / 20 °C
7.1: trifluoroacetic acid / dichloromethane / 2 h
8.1: triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 0.25 h
8.2: 3 h
9.1: trifluoroacetic acid / dichloromethane / 2 h
With
hydrogenchloride; water; sodium cyanoborohydride; ammonium chloride; caesium carbonate; acetic acid; triethylamine; trifluoroacetic acid; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; zinc;
toluene-4-sulfonic acid;
In
tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile;