Multi-step reaction with 6 steps
1.1: sodium hydroxide; water / tetrahydrofuran / 80 °C
2.1: O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine / dichloromethane / 0.25 h / 20 °C
2.2: 20 °C
3.1: toluene / 2 h / 50 °C
3.2: 3 h / 20 °C
4.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.17 h / 0 - 20 °C / Inert atmosphere
4.2: 1.5 h / 0 °C
5.1: tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / 1,4-dioxane / 1 h / 130 °C / Sealed tube; Microwave irradiation
6.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 1 h / 85 °C
With
tris-(dibenzylideneacetone)dipalladium(0); N-Bromosuccinimide; water; sodium hydride; caesium carbonate; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide; toluene; mineral oil;