Multi-step reaction with 6 steps
1.1: caesium carbonate; 2,2′-bis(diphenylphosphino)-1,1′-binaphthalene. / palladium diacetate / toluene / 18 h / 90 °C / Sealed tube
2.1: triethylamine / dmap / tetrahydrofuran / 18 h / 20 °C
3.1: potassium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / bis(dibenzylideneacetone)-palladium(0) / 1,4-dioxane / 18 h / 105 °C / Sealed vessel
4.1: silica gel / toluene / 20 h / Reflux
5.1: hydrogen / palladium 10% on activated carbon / ethyl acetate; ethanol / 18 h / 20 °C
6.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 0.17 h / 20 °C
6.2: 3 h / 20 °C
With
2,2′-bis(diphenylphosphino)-1,1′-binaphthalene.; hydrogen; silica gel; potassium carbonate; caesium carbonate; triethylamine; N-ethyl-N,N-diisopropylamine; HATU; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
dmap; palladium 10% on activated carbon; palladium diacetate; bis(dibenzylideneacetone)-palladium(0);
In
tetrahydrofuran; 1,4-dioxane; ethanol; ethyl acetate; N,N-dimethyl-formamide; toluene;