Multi-step reaction with 4 steps
1: 1,10-Phenanthroline; copper(I) bromide / 56 h / 135 °C
2: tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / 1,4-dioxane / 18 h / Inert atmosphere; Reflux
3: hydrogenchloride / diethyl ether / 18 h / 25 °C
4: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine / tetrahydrofuran; ethyl acetate / 2 h / 70 °C
With
hydrogenchloride; tris-(dibenzylideneacetone)dipalladium(0); 1,10-Phenanthroline; caesium carbonate; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; copper(I) bromide;
In
tetrahydrofuran; 1,4-dioxane; diethyl ether; ethyl acetate;