Multi-step reaction with 3 steps
1: sodium hydroxide / tetrahydrofuran; water / 28 h / 20 °C
2: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate / 1.17 h / 50 °C
3: tris(dibenzylideneacetone)dipalladium(0) chloroform complex; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; potassium carbonate / tetrahydrofuran; ethanol / 5 h / 80 °C / Inert atmosphere
With
tris(dibenzylideneacetone)dipalladium(0) chloroform complex; potassium carbonate; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium hydroxide;
In
tetrahydrofuran; ethanol; water; ethyl acetate;