Multi-step reaction with 6 steps
1: sodium dithionite; water / tetrahydrofuran / 1 h
2: copper dichloride; tert.-butylnitrite / acetonitrile / 0.5 h / 50 °C / Inert atmosphere
3: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / 85 °C
4: ammonia / dichloromethane; methanol / 2 h
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
6: dichloromethane / 2.5 h
With
N-Bromosuccinimide; tert.-butylnitrite; sodium dithionite; 2,2'-azobis(isobutyronitrile); ammonia; water; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; copper dichloride;
In
tetrahydrofuran; methanol; tetrachloromethane; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/jm301294g