第 36 卷第 3 期 Vol. 36 No. 3 2006 年 6 月 Jun 2006

所属栏目：香精香料 稀土固体超强酸SO_4~(2-)/TiO_2/Ce(IV)催化合成环己酮1,2-丙二醇缩酮

张庆; 滕俊江; 梁红冬; 叶秀娟; 苏映红(茂名学院化学与生命科学学院; 广东茂名)

摘　要：以环己酮与1,2-丙二醇为原料,稀土固体超强酸SO42-/TiO2/Ce(IV)为催化剂,合成了环己酮1,2-丙二醇缩酮,考察了影响反应的因素。结果表明,在n(酮)n∶(醇)=1 1∶.5、催化剂用量占反应物总质量的1.7%、带水剂环己烷用量占反应物总质量的30%、反应时间1h的优化条件下,环己酮1,2-丙二醇缩酮收率可达84.28%。

关键词：环己酮1; 2-丙二醇缩酮; SO_4~（2-）/TiO_2/Ce（IV）; 催化; 缩酮反应

中图分类号：TQ224.2　　文献标识码：A　　文章编号：1009-9212(2006)03-0034-03

Catalytic Synthesis of Cyclohexanone 1,2-Propylene Glycol Ketal by Rare Earth Solid Superacid SO _4~(2-)/TiO_2 /Ce(Ⅳ)

ZHANG Qing; TENG Jun-jiang; LIANG Hong-dong; YE Xiu-juan; SU Ying-hong（School of Chemistry and Life Sicence; Maoming College; Maoming 525000; China）

Abstract：The synthesis of cyclohexanone 1,2-propylene glycol ketal from cyclohexanone and 1,2-propylene glycol under the presence of catalyst rare earth solid superacid SO42-/TiO2 /Ce(Ⅳ) was studied.The influent factors on reaction were investigated.The results showed that the appropriate conditions were as follows:molar ratio of cyclohexanone and 1,2-propylene glycol was 1 ∶ 1.5,the amount of catalyst was 1.7% of the total weight of cyclohexanone and 1,2-propylene glycol,the amount of cyclohexane was 30% of the wei...

Key words：cyclohexanone 1; 2-propylene glycol ketal; SO42-/TiO2 /Ce（IV）; catalysis; ketalation

收稿日期：2006-03-10

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