1: acetic acid; iron / ethanol / 0.08 h / 20 °C / |Reflux 2: triethylamine; 4-(N,N-dimethlyamino)pyridine / dichloromethane / 24 h / 0 °C 3: potassium carbonate; 1,4-diaza-bicyclo[2.2.2]octane; copper(l) iodide / 1,4-dioxane / 6 h / |Schlenk technique; |Inert atmosphere; |Reflux View Scheme

1: acetic acid; iron / ethanol / 0.08 h / 20 °C / |Reflux 2: potassium carbonate; 1,4-diaza-bicyclo[2.2.2]octane; copper(l) iodide / 1,4-dioxane / 2 h / |Schlenk technique; |Inert atmosphere; |Reflux View Scheme

1: acetic acid; iron / ethanol / 0.08 h / 20 °C / |Reflux 2: N-bromosuccinmide; sodium hydrogencarbonate / dichloromethane / 1 h / 20 °C 3: potassium carbonate; 1,4-diaza-bicyclo[2.2.2]octane; copper(l) iodide / 1,4-dioxane / 2 h / |Schlenk technique; |Inert atmosphere; |Reflux View Scheme

1: acetic acid; iron / ethanol / 0.08 h / 20 °C / |Reflux 2: ammonium hydroxide / ethanol / 6 h 3: potassium carbonate; 1,4-diaza-bicyclo[2.2.2]octane; copper(l) iodide / 1,4-dioxane / 2 h / |Schlenk technique; |Inert atmosphere; |Reflux View Scheme

1: acetic acid; iron / ethanol / 0.08 h / 20 °C / |Reflux 2: sulfuric acid / 24 h / |Reflux 3: potassium carbonate; 1,4-diaza-bicyclo[2.2.2]octane; copper(l) iodide / 1,4-dioxane / 3 h / |Schlenk technique; |Inert atmosphere; |Reflux View Scheme