Multi-step reaction with 5 steps
1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C / Inert atmosphere
2: silver nitrate; N-Bromosuccinimide / acetone / 2 h / 20 °C / Inert atmosphere
3: potassium carbonate; copper(ll) sulfate pentahydrate; 1,10-Phenanthroline / toluene / 12 h / 70 °C / Inert atmosphere
4: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
5: caesium carbonate; tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene / 1,4-dioxane / 12 h / 80 °C / Inert atmosphere; Schlenk technique
With
1H-imidazole; tris-(dibenzylideneacetone)dipalladium(0); N-Bromosuccinimide; 1,10-Phenanthroline; copper(ll) sulfate pentahydrate; tetrabutyl ammonium fluoride; potassium carbonate; caesium carbonate; silver nitrate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene;
In
tetrahydrofuran; 1,4-dioxane; N,N-dimethyl-formamide; acetone; toluene;
DOI:10.1021/ja5029028