Multi-step reaction with 6 steps
1.1: potassium carbonate / acetonitrile / 0.75 h / 100 °C / Microwave irradiation
2.1: palladium 10% on activated carbon; hydrogen / methanol / 2 h
3.1: N-ethyl-N,N-diisopropylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 0.17 h / 0 °C / Inert atmosphere
3.2: 20 °C / Inert atmosphere
4.1: sodium L-ascorbate; copper(II) sulfate; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine / water; tetrahydrofuran; N,N-dimethyl-formamide / 2 h / 60 °C
5.1: sodium hydroxide / water; tetrahydrofuran; ethanol / 20 °C
6.1: palladium 10% on activated carbon; hydrogen / methanol; water / 2 h / 20 °C
With
palladium 10% on activated carbon; hydrogen; potassium carbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; copper(II) sulfate; sodium L-ascorbate; N-ethyl-N,N-diisopropylamine; sodium hydroxide; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine;
In
tetrahydrofuran; methanol; ethanol; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1039/c3ob42332h