1: tetrahydrofuran; hexane / -78 - 20 °C 2: acetic acid / tetrahydrofuran; hexane / -78 - 20 °C 3: potassium fluoride; tributylphosphine; para-bromotoluene; water; bis(dibenzylideneacetone)-palladium(0) / 1,4-dioxane / 3 h / 110 °C / Inert atmosphere View Scheme

1: tetrahydrofuran; hexane / -78 - 20 °C 2: acetic acid / tetrahydrofuran; hexane / -78 - 20 °C 3: tri-tert-butyl phosphine; water; cesium fluoride; bis(dibenzylideneacetone)-palladium(0) / 1,4-dioxane / 3 h / 110 °C / Inert atmosphere View Scheme

1: tetrahydrofuran; hexane / -78 - 20 °C 2: benzoic acid / tetrahydrofuran; hexane / -78 - 20 °C 3: potassium fluoride; tri-tert-butyl phosphine; water; bis(dibenzylideneacetone)-palladium(0) / 1,4-dioxane / 3 h / 110 °C / Inert atmosphere View Scheme

1: tetrahydrofuran; hexane / -78 - 20 °C 2: acetic acid / tetrahydrofuran; hexane / -78 - 20 °C 3: potassium fluoride; tri-tert-butyl phosphine; water; bis(dibenzylideneacetone)-palladium(0) / 1,4-dioxane / 3 h / 110 °C / Inert atmosphere View Scheme