Multi-step reaction with 16 steps
1.1: bromine / water / 2 h / 50 °C
2.1: trichlorophosphate; diethylamine / 3 h / 0 °C
3.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 0 °C
3.2: 1 h / 20 °C
3.3: 16 h / Reflux
4.1: N,N-dimethyl acetamide / 2 h / 90 °C
5.1: acetic acid; iron / 2 h / Reflux
6.1: triethylamine / dichloromethane / 0.17 h
6.2: 2 h / 20 °C
7.1: sodium hydroxide; copper(II) sulfate; copper bronze / water / 16 h / 160 °C
8.1: triethylamine / tetrahydrofuran; water / 2 h / 20 °C
9.1: palladium 10% on activated carbon; hydrogen / methanol / 24 h / 20 °C / 7757.43 Torr
10.1: piperidine / dichloromethane / 12 h / 20 °C
11.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 12 h / 20 °C
12.1: dmap / N,N-dimethyl acetamide / 0.08 h / 20 °C / Microwave irradiation
13.1: palladium bis[bis(diphenylphosphino)ferrocene] dichloride / dimethyl amine / 1 h / 160 °C / Microwave irradiation
14.1: 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 / 0.17 h / 0 °C
14.2: 16.33 h / 20 °C
15.1: potassium carbonate / butanone / 0.2 h / 90 °C / Microwave irradiation
16.1: CHIRAL PAK IA 250 X 50 mm, 5Mm / ethanol; hexane / 25 °C / Resolution of racemate
With
piperidine; dmap; palladium bis[bis(diphenylphosphino)ferrocene] dichloride; copper bronze; palladium 10% on activated carbon; hydrogen; bromine; iron; sodium hydride; potassium carbonate; copper(II) sulfate; acetic acid; diethylamine; triethylamine; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; sodium hydroxide; trichlorophosphate;
In
tetrahydrofuran; methanol; ethanol; hexane; dichloromethane; N,N-dimethyl acetamide; water; dimethyl amine; N,N-dimethyl-formamide; butanone;
DOI:10.1021/jm401625b