辽宁石油化工大学学报

辽宁石油化工大学学报 ›› 2010, Vol. 30 ›› Issue (2): 1-3.DOI: 10.3696/j.issn.1672-6952.2010.02.001

• 石油化工 •    下一篇

K5CoW12O40·3H2O催化合成苯甲醛1,2-丙二醇缩醛

赖君玲,刘春生,罗根祥,沈 飞   

  1. 辽宁石油化工大学化学与材料科学学院,辽宁抚顺113001
  • 收稿日期:2009-11-26 出版日期:2010-06-25 发布日期:2017-07-05
  • 作者简介:赖君玲(1976-),女,辽宁大石桥市,讲师,硕士。

Synthesis of Benzaldehyde 1,2-Propylene Acetal Catalyzed by K5CoW12O40·3H2O

 

LAI Jun-ling, LIU Chun-sheng, LUO Gen-xiangSHEN Fei
  

  1. School of Chemistry and Materials Science,Liaoning Shihua University,Fushun Liaoning 113001, P. R. China
  • Received:2009-11-26 Published:2010-06-25 Online:2017-07-05

摘要: 研究了K5CoW12O40·3H2O 催化剂对苯甲醛和1,2-丙二醇为原料合成苯甲醛1,2-丙二醇缩醛的
反应的催化活性。考察了醛醇物质的量比、催化剂质量、带水剂体积、反应时间、催化剂重复使用性等因素对产品收
率的影响。结果表明,K5CoW12O40·3H2O 是缩醛反应的良好催化剂。在最佳实验条件下:苯甲醛与1,2-丙二醇
物质的量比为1∶1.2、苯甲醛物质的量为0.1mol、催化剂质量为0.3g、环己烷体积为10mL、反应时间45min,苯甲
醛1,2-丙二醇缩醛的收率最高可达92.8%。

关键词: 苯甲醛l, 2-丙二醇缩醛 ,  ,  , K5CoW12O40·, 3H2O ,  ,  , 催化 ,  , 缩醛反应

Abstract:  

The catalytic activity of benzaldehyde 1,2-propylene acetal was investigated from benzaldehyde and 1,2-propylene glycol in the presence of potassium dodecatungstocobaltate trihydrate (K5CoW12O40·3H2O). The effects of the cyclohexanone/1,2-propylene glycol molar ratio, the amount of the catalyst, cyclohexane dosage, the reaction time and the using regenerated catalyst on yield were studied systematically. The results show that potassium dodecatungstocobaltate trihydrate (K5CoW12O40·3H2O) is an excellent catalyst for the above reaction. The preferable experimental conditions are as follows: benzaldehyde/1,2-propylene glycol molar ratio is 1∶1.2, benzaldehyde is 0.1 mol, potassium dodecatungstocobaltate trihydrate (K5CoW12O40·3H2O) is 0.3 g, the volume of cyclohexane is 10 mL, and reaction time is 45 min. Under the above experimental conditions, the maximum yield of benzaldehyde 1,2-propylene acetal is up to 92.8%.

Key words: Benzaldehyde 1,2-propylene acetal ,  , Potassium dodecatungstocobaltate trihydrate (K5CoW12O40·3H2O) , Catalysis  ,  ,  Acetalization

引用本文

赖君玲,刘春生,罗根祥,沈 飞. K5CoW12O40·3H2O催化合成苯甲醛1,2-丙二醇缩醛[J]. 辽宁石油化工大学学报, 2010, 30(2): 1-3.

LAI Jun-ling, LIU Chun-sheng, LUO Gen-xiang,SHEN Fei. Synthesis of Benzaldehyde 1,2-Propylene Acetal Catalyzed by K5CoW12O40·3H2O[J]. Journal of Liaoning Petrochemical University, 2010, 30(2): 1-3.

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