Multi-step reaction with 9 steps
1.1: thionyl chloride / 2 h / 0 °C / Reflux; Inert atmosphere
2.1: potassium carbonate / acetonitrile / 3 h / Reflux; Inert atmosphere
3.1: 3 h / 190 °C / Inert atmosphere
4.1: Oxone / dichloromethane; methanol / 1.17 h / -78 °C / Inert atmosphere
4.2: 3 h / 20 °C / Inert atmosphere
5.1: phosphoric acid / 0.33 h / 100 °C / Inert atmosphere
6.1: hydrogen / palladium 10% on activated carbon / methanol / 16 h / 20 - 30 °C / 2280.15 Torr / Cooling with ice
7.1: water; lithium hydroxide / tetrahydrofuran; methanol / 17 h / 20 - 30 °C / Inert atmosphere; Reflux
7.2: pH 3
8.1: hydrogenchloride / ethanol; water / 15 h / Reflux
9.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / dichloromethane / 2 h / 20 - 30 °C / Inert atmosphere
With
hydrogenchloride; Oxone; thionyl chloride; phosphoric acid; water; hydrogen; potassium carbonate; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; lithium hydroxide;
palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; acetonitrile;