2013•Journal of Eastern Liaoning UniversityRequires access

Catalytic Synthesis of Cyclohexanone Ethylene Ketal with H_3PW_(12)O_(40)/ZrO_2-WO_3

Duan Guo-bin

Abstract

H3PW12O40/ZrO2-WO3 was prepared by impregnation,and characterized by FT-IR and XRD.Cyclohexanone ethylene ketal was synthesized from cyclohexanone and ethylene glycol using H3PW12O40/ZrO2WO3 as the catalyst.The influence factors on the yield of cyclohexanone ethylene ketal were also investigated.The optimum conditions are: molar ratio of cyclohexanone and ethylene glycol is 1∶ 1.5,the volume of cyclohexane as the water-carrying agent is 8 mL and reaction time is 45 minutes,mass fraction of catalyst to reactants is 1.0%.The yield of cyclohexanone ethylene ketal can reach 58.2% under the optimum conditions.

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Key concepts: Cyclohexanone, Cyclohexane, Ethylene, Catalysis, Ethylene glycol, Yield (engineering), Molar ratio, Chemistry