Multi-step reaction with 10 steps
1.1: triethylamine; palladium 10% on activated carbon; hydrogen / ethanol; tetrahydrofuran / 5 h / 20 °C
2.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 1 h / 0 - 20 °C
3.1: trichlorophosphate / 12 h / Reflux
4.1: triethylamine / 39 h / Reflux
4.2: 1 h / 20 °C
5.1: caesium carbonate / N,N-dimethyl-formamide / 4 h / 0 - 20 °C
6.1: caesium carbonate; tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / toluene / 22 h / 100 °C / Inert atmosphere
7.1: hydrogenchloride; water / tetrahydrofuran / 1 h / 20 °C
8.1: pyridine / tetrahydrofuran / 1.5 h / 0 - 20 °C
9.1: sodium hydroxide; water / ethanol / 4.25 h / 20 - 60 °C
10.1: triethylamine; benzotriazol-1-ol / N,N-dimethyl-formamide / 4.5 h / 0 - 20 °C
With
pyridine; hydrogenchloride; tris-(dibenzylideneacetone)dipalladium(0); N-Bromosuccinimide; palladium 10% on activated carbon; water; hydrogen; benzotriazol-1-ol; caesium carbonate; triethylamine; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium hydroxide; trichlorophosphate;
In
tetrahydrofuran; ethanol; N,N-dimethyl-formamide; toluene;
DOI:10.1016/j.bmc.2015.05.036