1: Honokiol With potassium hydroxide 2: dimethyl sulfate Microwave irradiation;

1.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; sodium carbonate / ethylene glycol dimethyl ether; water / 18 h / 80 °C / Inert atmosphere 2.1: triethylamine / dichloromethane / 0.5 h / Inert atmosphere; Cooling with ice 2.2: 2.08 h / 20 °C / Inert atmosphere 2.3: 18 h / 140 °C / Inert atmosphere 3.1: sodium iodide; zinc / N,N-dimethyl-formamide / 18 h / 140 °C / Inert atmosphere 4.1: potassium carbonate / acetone / 20 °C / Inert atmosphere 5.1: diethylaluminium chloride / hexane / 2 h / 20 °C / Inert atmosphere View Scheme