1: potassium carbonate; sodium iodide / dichloromethane / 16 h / |Reflux; |Inert atmosphere 2: thionyl chloride / dichloromethane / 2 h / 20 °C / |Inert atmosphere 3: potassium tert-butylate / tetrahydrofuran / 16 h / 20 °C / |Inert atmosphere 4: sulfuric acid / 144 h / 60 °C / |Inert atmosphere View Scheme

1: potassium carbonate; sodium iodide / dichloromethane / 16 h / |Reflux; |Inert atmosphere 2: thionyl chloride / dichloromethane / 2 h / 20 °C / |Inert atmosphere 3: potassium tert-butylate / tetrahydrofuran / 16 h / 20 °C / |Inert atmosphere 4: sulfuric acid / 144 h / 60 °C / |Inert atmosphere 5: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 50 °C / |Inert atmosphere View Scheme

1: potassium carbonate; sodium iodide / dichloromethane / 16 h / |Reflux; |Inert atmosphere 2: thionyl chloride / dichloromethane / 2 h / 20 °C / |Inert atmosphere 3: potassium tert-butylate / tetrahydrofuran / 16 h / 20 °C / |Inert atmosphere View Scheme