Multi-step reaction with 8 steps
1: N,N-dimethyl-formamide / Reflux
2: ammonia; 1,8-diazabicyclo[5.4.0]undec-7-ene; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate / acetonitrile
3: water; ethanol / 100 °C
4: N-chloro-succinimide / N,N-dimethyl-formamide / 3 h / 20 °C
5: selenium(IV) oxide / 1,4-dioxane / Reflux
6: tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
7: diphenyl phosphoryl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene / tetrahydrofuran / 3 h / Reflux
8: N-ethyl-N,N-diisopropylamine / butan-1-ol / 130 °C
With
selenium(IV) oxide; N-chloro-succinimide; diphenyl phosphoryl azide; ammonia; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; 1,4-dioxane; ethanol; water; N,N-dimethyl-formamide; acetonitrile; butan-1-ol;