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Sythesis of cyclohexanone ethylene ketal over LaPW_(12)O_(40) catalyst

XU Zhao-hui

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Abstract

A new LaPW12O40 Keggin-structure catalyst was prepared and characterized by FT-IR.Cyclohexanone ethylene ketal was sythesized from cyclohexanone and ethylene over LaPW12O40 catalyst.The influence of feed ratio,catalyst dosage and reaction time on yield of the product was investigated.Cyclohexanone ethylene ketal yield of over 94.0% was obtained under the optimum condition as follows: cyclohexanone 0.1 mol,cyclohexanone to ethylene molar ratio 1∶1.5,catalyst dosage 0.5% of total mass of the feed,toluene 12 mL,and reflux reaction time 1.5 h.

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What this paper is about

A new LaPW12O40 Keggin-structure catalyst was prepared and characterized by FT-IR.Cyclohexanone ethylene ketal was sythesized from cyclohexanone and ethylene over LaPW12O40 catalyst.The influence of feed ratio,catalyst dosage and reaction time on yield of the product was investigated.Cyclohexanone ethylene ketal yield of over 94.0% was obtained under the optimum condition as follows: cyclohexanone 0.1 mol,cyclohexanone to ethylene molar ratio 1∶1.5,catalyst dosage 0.5% of total mass of the feed,toluene 12 mL,and reflux reaction time 1.5 h.

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Available abstract

A new LaPW12O40 Keggin-structure catalyst was prepared and characterized by FT-IR.Cyclohexanone ethylene ketal was sythesized from cyclohexanone and ethylene over LaPW12O40 catalyst.The influence of feed ratio,catalyst dosage and reaction time on yield of the product was investigated.Cyclohexanone ethylene ketal yield of over 94.0% was obtained under the optimum condition as follows: cyclohexanone 0.1 mol,cyclohexanone to ethylene molar ratio 1∶1.5,catalyst dosage 0.5% of total mass of the feed,toluene 12 mL,and reflux reaction time 1.5 h.

Key concepts: Cyclohexanone, Catalysis, Yield (engineering), Ethylene, Molar ratio, Chemistry, Toluene, Organic chemistry

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