2004•Liaoning Chemical IndustryRequires access

Catalytic Synthesis of Cyclohexanone 1,2-Propylene Ketal Over SO_4~(2-)/TiO_2-MoO 3-La_2O_3

Yin Guo-jun

Abstract

Cyclohexanone 1,2-propylene ketal was synthesized from cyclohexanone and 1,2-propylene glycol in the presence of SO 2- 4/TiO 2-MoO 3-La 2O 3. The factors influencing the synthesis were discussed and the best conditions were found out. The optimum conditions were: molar ratio of cyclohexanone to 1,2-propylene glycol was 1∶1.5, the quantity of catalyst was equal to 1.0 % of feed stocks, and the reaction time 1.0 h. SO 2- 4/TiO 2-MoO 3-La 2O 3 was an excellent catalyst for synthesizing cyclohexanone 1,2-propylene ketal and its yield can reach over 84.2 %.

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Key concepts: Cyclohexanone, Catalysis, Molar ratio, Yield (engineering), Chemistry, Polyvinyl alcohol, Propylene oxide, Organic chemistry