Multi-step reaction with 7 steps
1.1: acetic acid / 1,2-dichloro-ethane / 0.25 h / 20 °C
1.2: 20 °C
2.1: triethylamine / tetrahydrofuran / 1 h / 20 °C
3.1: potassium carbonate / N,N-dimethyl-formamide / 60 °C
4.1: hydrogenchloride / ethyl acetate; isopropyl alcohol / 20 °C
5.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 °C
6.1: water; lithium hydroxide / tetrahydrofuran / 20 °C
6.2: pH 1
7.1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 20 °C
With
hydrogenchloride; water; potassium carbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; lithium hydroxide;
In
tetrahydrofuran; ethyl acetate; 1,2-dichloro-ethane; N,N-dimethyl-formamide; isopropyl alcohol;