Synthesis of β-naphthyl ethyl ether with microwave irradiation catalyzed by aluminium sulfate catalyst

This paper studies the synthesis of β-naphthyl ethyl ether under microwave radiation with β-naphthol and ethanol as raw material and aluminium sulfate as catalyst.Through orthogonal analysis,the optimum conditions are obtained as follows:the molar ratio of β-naphthol to ethanol 1∶5.5,the mass ratio of catalyst to reactants 1:5.95,reaction temperature 100 ℃ and reaction time 20 min.The yield of β-naphthyl ethyl ether was up to 70% under the best conditions.The products have been certified by their m.p and IR spectrum.