Multi-step reaction with 6 steps
1.1: N-ethyl-N,N-diisopropylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 0.5 h / 20 °C
1.2: 18 h / 20 °C
2.1: 4 h / 20 °C
3.1: lithium hexamethyldisilazane / tetrahydrofuran / 2 h / 0 - 20 °C
4.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
5.1: caesium carbonate / 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; tris-(dibenzylideneacetone)dipalladium(0) / toluene / 95 °C / Inert atmosphere
6.1: hydrogen / palladium 10% on activated carbon / ethanol
With
hydrogen; caesium carbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; lithium hexamethyldisilazane;
tris-(dibenzylideneacetone)dipalladium(0); palladium 10% on activated carbon; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl;
In
tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide; toluene;