Multi-step reaction with 9 steps
1: formamide; sodium methylate / 100 °C
2: hydrogenchloride / water / 0.25 h / 25 °C
3: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; benzotriazol-1-ol / water / 60 °C / Microwave irradiation
4: hydrogenchloride / water / 0.25 h / 25 °C
5: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; benzotriazol-1-ol / water / 60 °C / Microwave irradiation
6: hydrogenchloride / water / 0.25 h / 25 °C
7: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; benzotriazol-1-ol / water / 60 °C / Microwave irradiation
8: hydrogenchloride / water / 0.25 h / 25 °C
9: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; benzotriazol-1-ol / water / 60 °C / Microwave irradiation
With
hydrogenchloride; sodium methylate; benzotriazol-1-ol; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; formamide; N-ethyl-N,N-diisopropylamine;
In
water;
DOI:10.1039/c3ra43040e