Multi-step reaction with 9 steps
1.1: sodium hydroxide; methanol / water / 4 h / 34 - 70 °C
1.2: 20 °C
2.1: sulfuric acid / methanol / 24 h / Reflux
3.1: bis[1,2-bis(diphenylphosphino)ferrocene]-palladium(0) / water; tetrahydrofuran / 3 h / 85 °C / Inert atmosphere
4.1: hydrogenchloride; sodium hydroxide / ethanol; water / 0.5 h / 90 °C
5.1: dicyclohexyl-carbodiimide; benzotriazol-1-ol / tetrahydrofuran / 66 h / 5 - 75 °C
6.1: sodium hydroxide / isopropyl alcohol; water / 6 h / 45 °C
7.1: ammonia / water; methanol / 18 h / 45 °C
8.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 0.08 h / 20 °C
8.2: 2 h / 20 °C
9.1: lithium hydroxide / water; methanol / 15 h / 20 °C
With
hydrogenchloride; methanol; sulfuric acid; ammonia; benzotriazol-1-ol; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide; sodium hydroxide; lithium hydroxide;
bis[1,2-bis(diphenylphosphino)ferrocene]-palladium(0);
In
tetrahydrofuran; methanol; ethanol; water; N,N-dimethyl-formamide; isopropyl alcohol;