Multi-step reaction with 10 steps
1: N-ethyl-N,N-diisopropylamine / acetonitrile / 17 h / Reflux
2: caesium carbonate; sodium iodide / acetonitrile / 24 h / Reflux
3: sulfuric acid; trifluoroacetic acid / 5 h / Reflux
4: pyridine; dmap / acetonitrile / 0.25 h / 0 - 20 °C
5: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; palladium diacetate / N,N-dimethyl-formamide / 0.5 h / 100 °C / Inert atmosphere; Irradiation
6: water; sodium hydroxide / tetrahydrofuran / 10 h / Reflux
7: tris-(dibenzylideneacetone)dipalladium(0); dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate / N,N-dimethyl-formamide / 14 h / 100 °C / Inert atmosphere; Irradiation
8: hydrogenchloride; water / tetrahydrofuran / 3 h / 20 °C
9: sodium tris(acetoxy)borohydride; acetic acid / dichloromethane / 40 h / 20 °C
10: N-acetylcystein; trifluoroacetic acid / 4 h / Reflux
With
dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; pyridine; hydrogenchloride; dmap; potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); N-acetylcystein; sulfuric acid; water; palladium diacetate; sodium tris(acetoxy)borohydride; caesium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; sodium iodide; sodium hydroxide;
In
tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
5: |Suzuki-Miyaura Coupling / 7: |Buchwald-Hartwig Coupling;
DOI:10.1016/j.bmc.2015.11.009