Multi-step reaction with 7 steps
1.1: platinum(IV) oxide; palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C
2.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0 - 20 °C
3.1: sodium hydride / N,N-dimethyl-formamide / 1 h / 0 - 20 °C
3.2: 1.5 h / 20 °C
4.1: lithium hydroxide / tetrahydrofuran; water; methanol / 1 h / 20 °C
5.1: acetic acid; dihydrogen peroxide / 8 h / 20 °C
6.1: 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 / 0.08 h / 20 °C
6.2: 20 °C
7.1: CHIRALPAK? IA column / i-Amyl alcohol; hexane / 0.25 h / Resolution of racemate
With
platinum(IV) oxide; palladium 10% on activated carbon; hydrogen; dihydrogen peroxide; sodium hydride; acetic acid; N-ethyl-N,N-diisopropylamine; 1,1'-carbonyldiimidazole; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; lithium hydroxide;
In
tetrahydrofuran; methanol; i-Amyl alcohol; hexane; water; N,N-dimethyl-formamide;
DOI:10.1021/jm500126s