2007•Chinese Rare EarthsRequires access

Catalytic Synthesis of Cyclohexanone 1,2-Propylene Ketal in the Presence of SO_4~(2-)/TiO_2-MoO_3-La_2O_3

Ai‐Min Bai

Abstract

Cyclohexanone 1,2-propylene ketal wassynthesis from cyclohexanone and 1,2-propylene 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 that mole ratio of cyclohexanone to 1,2-propylene glycol is 1∶1.6,the quantity of catalyst is equal to 0.4% of feed stocks,and the reaction time 1.0 h.SO42-/TiO2-MoO3-La2O3 is an excellent catalyst for synthesizingcyclohexanone 1,2-propylene ketaland its yield can reach over 88.8%.

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Key concepts: Cyclohexanone, Catalysis, Yield (engineering), Chemistry, Polyvinyl alcohol, Reaction conditions, Organic chemistry, Nuclear chemistry