Multi-step reaction with 7 steps
1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 5.33 h / 0 - 20 °C / Inert atmosphere
2.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 0 - 20 °C / Inert atmosphere
3.1: triethylsilane / dichloromethane / 3 h / 0 - 20 °C
4.1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere
4.2: 20 °C / Inert atmosphere
5.1: triethylsilane / dichloromethane / 3 h / 0 - 20 °C
6.1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere
6.2: 20 °C / Inert atmosphere
7.1: diethylamine / dichloromethane / 1.5 h / 20 °C
With
triethylsilane; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; diethylamine; N-ethyl-N,N-diisopropylamine;
In
dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/hlca.201100243