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Catalytic Synthesis of Cyclohexanone Ethylene Ketal Over SO_4~(2-)/TiO_2-MoO_3-La_2O_3

Yang Shui-jin

Abstract

Cyclohexanone ethylene ketal was synthesis from cyclohexanone and ethylene glycol in the presence of SO42-/TiO2-MoO3-La2O3. The factors influencing the synthesis were discussed and the best conditions were found out. The optimum conditions are: molar ratio of cyclohexanone to ethylene glycol is 1∶1.4, the quantity of catalyst is equal to 0.6% of feed stocks, and the reaction time 1.0 h. SO42-/TiO2-MoO3-La2O3 is an excellent catalyst for synthesizing cyclohexanone ethylene ketal .The yield can reach over 87.3%.

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