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固载杂多酸催化合成2,4-二甲基-2-(4-甲基-3-戊烯基)-1,3-二氧五环

Catalytic synthesis of 2,4-dimethyl-2-(4-methyl-3-pentenyl)-1,3-dioxolane by supported heteropoly acid

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【Author】 PENG Anshun,XIA Min,GIN Xueyong(Deptartment of Chemistry and Envirenmental Science,Linyi Teachers University,Linyi 276005,China)

【机构】临沂师范学院化学与环境科学系；临沂师范学院化学与环境科学系山东临沂　276005；山东临沂　276005；山东临沂　276005；

【Abstract】 2,4Dimethyl2(4methyl3Pentenyl)1,3dioxolane were synthesized with the phosphotungstic acid supported on cationic exchange resin as a catalyst.Various factors that affect the condensation yield were investigated.The results showed that the optimum conditions were as follows:6methyl5heptene2one:1,2Propandiol:catalyst:dehydrating agent is 1 mol:15mol∶12g∶200ml;reaction temperature was reflux temperature;reaction time was 25h.The yield was above 915% under the optimum conditions.The catalyst can be used repeatedly.更多还原

【关键词】离子交换树脂固载磷钨酸；催化；合成； 2,4-二甲基-2-(4-甲基-3-戊烯基)-1,3-二氧五环；
【Key words】 Phosphotungstic acid supported on ion exchange resin； catalysis； synthesis； 2,4-dimethyl-2-(4-methyl-3-pentenyl)-1,3-dioxolane；

【文献出处】化学研究与应用 ,Chemical Research and Application , 编辑部邮箱 ,2003年02期

【分类号】TQ655
【被引频次】3
【下载频次】79

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