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 / 15 h / 0 °C
5: sodium hydride / tetrahydrofuran; mineral oil / 16.5 h / 0 - 20 °C
6: water; methanol; lithium hydroxide monohydrate / tetrahydrofuran / 1 h / 20 °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
methanol; lithium aluminium tetrahydride; trifluoromethylsulfonic anhydride; lithium hydroxide monohydrate; tetrabutyl ammonium fluoride; water; sodium hydride; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; N-ethyl-N,N-diisopropylamine; Triphenylphosphine oxide;
In
tetrahydrofuran; 1,2-dichloro-ethane; N,N-dimethyl-formamide; mineral oil; benzene;