Catalytic Synthesis of Cyclohexanon 1,2-Propanediol Ketal

Journal of Liaoning Petrochemical University ›› 2009, Vol. 29 ›› Issue (2): 8-10.

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Catalytic Synthesis of Cyclohexanon 1,2-Propanediol Ketal

ZHANGJing-yu¹,RENLi-guo^2*

1.YunchengNormalSchool，YunchengShandong242700，P．R．China；2.SchoolofChemistryandMaterialsScience，LiaoningUniversityofPetroleum&ChemicalTechnology，FushunLiaoning113001，P．R．China

Received:2008-12-20 Published:2009-06-25 Online:2017-07-05

环己酮1,2-丙二醇缩酮的催化合成

张景玉¹,任立国^2*

1.郓城师范学校,山东郓城242700;2.辽宁石油化工大学化学与材料科学学院,辽宁抚顺113001

作者简介:张景玉(1962-),男,山东郓城县

Abstract

Abstract: The catalyst prepared with sol-gel and in impregnation method was used to synthesize cyclohexanone 1, 2-propanediol ketal with silica supported potassium aluminium sulfate(KAl(SO4)2/SiO2) solid acid so that factors of the product yield could be investigated in detail. The results show that the KAl(SO4)2/SiO2 has high catalytic activities. The optimal reaction conditions include the reaction time (70 min)，molar ratio of cyclohexanone to 1,2-propanediol (1∶1.1) and catalyst mass fraction in the total reactants (5.0%). Under the above conditions the yield of cyclohexanone 1,2-propanediol ketal is 99.9%.

Key words: Cyclohexanone 1,2-propanediol ketal , Sol-gel , Solid acid , Ketalization

摘要： 采用溶胶-胶凝法和浸渍法制备了二氧化硅负载的硫酸铝钾(KAl(SO4)2/SiO2)固体酸催化剂,研究
了KAl(SO4)2/SiO2固体酸催化合成环己酮1,2-丙二醇缩酮的催化性能。结果表明,反应时间70 min、环己酮与
1,2-丙二醇的摩尔比1∶1.1、催化剂的质量分数5.0%,环己酮1,2-丙二醇缩酮收率达到99.9%。

关键词: 环己酮1,2-丙二醇缩酮 , 溶胶-胶凝 , 固体酸 , 缩酮化反应

ZHANGJing-yu,RENLi-guo. Catalytic Synthesis of Cyclohexanon 1,2-Propanediol Ketal[J]. Journal of Liaoning Petrochemical University, 2009, 29(2): 8-10.

张景玉,任立国. 环己酮1,2-丙二醇缩酮的催化合成[J]. 辽宁石油化工大学学报, 2009, 29(2): 8-10.

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Catalytic Synthesis of Cyclohexanon 1,2-Propanediol Ketal

环己酮1,2-丙二醇缩酮的催化合成

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