Multi-step reaction with 7 steps
1.1: sodium azide; ascorbic acid / copper(l) iodide / water / 6 h / 20 °C / Sonication
2.1: n-butyllithium / hexane; tetrahydrofuran / 0.67 h / -75 °C / Inert atmosphere
2.2: 1 h / -75 - 20 °C
3.1: sodium tetrahydroborate / methanol / 1 h / 20 °C / Inert atmosphere
4.1: sodium hydride / tetrahydrofuran / 16.5 h / 20 °C / Cooling with ice
5.1: sodium carbonate / palladium diacetate; 1,1'-bis-(diphenylphosphino)ferrocene / Inert atmosphere
6.1: water; lithium hydroxide monohydrate / tetrahydrofuran / 16 h / 20 °C
7.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 16 h / 20 °C
With
ascorbic acid; sodium tetrahydroborate; n-butyllithium; sodium azide; lithium hydroxide monohydrate; water; sodium hydride; sodium carbonate; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine;
1,1'-bis-(diphenylphosphino)ferrocene; copper(l) iodide; palladium diacetate;
In
tetrahydrofuran; methanol; hexane; water; N,N-dimethyl-formamide;