Multi-step reaction with 11 steps
1.1: sodium hydroxide / water; methanol / 0.67 h / 4 - 6 °C
1.2: Cooling with ice
2.1: dmap / 18 h / 0 - 20 °C / Inert atmosphere
3.1: trifluoroacetic acid / dichloromethane / 1 h / -5 - 30 °C
4.1: hydrogen / RaNi / industrial methylated spritis / 18 h / 20 °C / 37503.8 Torr / Autoclave
5.1: di-tert-butyl dicarbonate / tetrahydrofuran / 18 h / 0 - 20 °C
6.1: isopropyl alcohol; diethyl ether; 2-Methylpentane / Resolution of racemate; Autoclave
7.1: hydrogen / palladium 10% on activated carbon / toluene; industrial methylated spirits / 78 h / 20 - 60 °C
8.1: triethylamine / 1,2-dichloro-ethane / 16 h / 20 °C
9.1: sodium hydroxide / water; tetrahydrofuran / 16 h / 20 °C
9.2: pH 6
10.1: trifluoroacetic acid / dichloromethane / 4 h / 0 - 20 °C
10.2: 18 h / 20 °C
11.1: acetonitrile; pyridine / 18 h / 50 °C / Inert atmosphere
With
dmap; di-tert-butyl dicarbonate; hydrogen; triethylamine; trifluoroacetic acid; sodium hydroxide;
palladium 10% on activated carbon;
In
tetrahydrofuran; pyridine; methanol; industrial methylated spirits; diethyl ether; 2-Methylpentane; dichloromethane; industrial methylated spritis; water; 1,2-dichloro-ethane; isopropyl alcohol; toluene; acetonitrile;