1: isopropylmagnesium chloride lithium chloride complex / diethyl ether; tetrahydrofuran / 1.08 h / -78 - 0 °C / |Inert atmosphere 2: palladium 10 on activated carbon; potassium fluoride / methanol / 48 h / 70 °C / |Inert atmosphere; |Microwave irradiation 3: toluene-4-sulfonic acid / acetone / 9 h / 20 °C View Scheme