Multi-step reaction with 8 steps
1.1: N,N-dimethyl-formamide; thionyl chloride / 3 h / Reflux
1.2: 2 h / Cooling with ice
2.1: trichlorophosphate / chloroform / 3 h / Reflux
3.1: hydroxylamine hydrochloride; sodium hydrogencarbonate / methanol / 24 h / 20 °C
4.1: acetic acid / 10 h / 90 °C
5.1: N-ethyl-N,N-diisopropylamine / copper diacetate / dimethyl sulfoxide / 144 h / 20 °C / Molecular sieve
5.2: 2 h / 20 °C
6.1: N-ethyl-N,N-diisopropylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / dimethyl sulfoxide / 2 h / 20 °C
7.1: hydrogenchloride / ethyl acetate / 12 h / 20 °C
7.2: 0.33 h
8.1: triethylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / dichloromethane; N,N-dimethyl-formamide / 18 h / 20 °C
With
hydrogenchloride; thionyl chloride; hydroxylamine hydrochloride; sodium hydrogencarbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; N,N-dimethyl-formamide; trichlorophosphate;
copper diacetate;
In
methanol; dichloromethane; chloroform; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide;