Multi-step reaction with 7 steps
1: trifluoromethylsulfonic anhydride; triethylamine; Triphenylphosphine oxide / 1,2-dichloro-ethane / 2.5 h / 0 °C / Reflux
2: benzene / 77 h / Reflux; Inert atmosphere
3: lithium aluminium tetrahydride / tetrahydrofuran / 1 h / 0 °C
4: water; tetrabutyl ammonium fluoride / tetrahydrofuran / 0.25 h / 0 °C
5: triphenylphosphine; diethylazodicarboxylate / tetrahydrofuran / 16 h / 20 °C / Inert atmosphere
6: sodium hydroxide; water / 1,4-dioxane / 1.5 h / 90 °C
7: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 1 h / 20 °C / Inert atmosphere
With
lithium aluminium tetrahydride; trifluoromethylsulfonic anhydride; tetrabutyl ammonium fluoride; water; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; Triphenylphosphine oxide; sodium hydroxide; diethylazodicarboxylate;
In
tetrahydrofuran; 1,4-dioxane; 1,2-dichloro-ethane; N,N-dimethyl-formamide; benzene;