Multi-step reaction with 6 steps
1.1: dmap; dicyclohexyl-carbodiimide / dichloromethane / 3 h / 20 °C
2.1: lithium diisopropyl amide / n-heptane; tetrahydrofuran; ethylbenzene / 2 h / -78 °C / Inert atmosphere
2.2: -78 - 20 °C
3.1: hydrogen / palladium 10% on activated carbon / ethanol; tetrahydrofuran / 5 h / 20 °C / 2585.81 Torr
4.1: N-ethyl-N,N-diisopropylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 20 °C
5.1: trifluoroacetic acid / dichloromethane / 2 h / 20 °C
6.1: N-ethyl-N,N-diisopropylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 20 °C
With
dmap; hydrogen; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide; trifluoroacetic acid; lithium diisopropyl amide;
palladium 10% on activated carbon;
In
tetrahydrofuran; ethanol; n-heptane; dichloromethane; ethylbenzene; N,N-dimethyl-formamide;