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林产化学与工业

林产化学与工业 ›› 2004, Vol. 24 ›› Issue (S1): 41-46.

• 研究报告 • 上一篇    下一篇

微波辐射下莰烯与羧酸加成反应的研究

林中祥, 欧文华   

  1. 南京林业大学 化学工程学院, 江苏 南京 210037
  • 收稿日期:2003-03-20 修回日期:1900-01-01 出版日期:2004-10-20 发布日期:2004-10-20

STUDY ON ADDITION REACTION BETWEEN CAMPHENE AND FORMIC ACID UNDER MICROWAVE IRRADIATION

LIN Zhong-xiang, OU Wen-hua   

  1. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
  • Received:2003-03-20 Revised:1900-01-01 Online:2004-10-20 Published:2004-10-20

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摘要： 研究了微波辐射下莰烯与羧酸用对甲苯磺酸作催化剂在密闭反应罐中的加成反应,系统探讨了在微波辐射下各因素对莰烯与羧酸(主要是甲酸)加成反应的影响。研究结果表明,在莰烯、甲酸和对甲苯磺酸分别为25、53和0.20mmol时,于700W功率的微波辐射下,莰烯与甲酸反应40s,反应液中甲酸异龙脑酯的含量可达77.2%,微波辐射大幅度地提高了莰烯与甲酸的加成反应速率,缩短了反应时间,为工业上莰烯的酯化工艺改进提供了新的思路。

关键词: 微波辐射, 莰烯, 甲酸异龙脑酯, 加成反应

Abstract: The addition reactions between camphene and carboxylic acid catalyzed by p-toluenesulfonic acid in a sealed reacting pot under microwave irradiation were studied. Factors affecting the reaction of camphene with formic acid were discussed in detail. The main products were isobornyl formate, 3-camphanyl formate, camphene hydrate, isoborneol, 3-camphanol, isofenchyl formate,etc. Results showed that the content of isobornyl formate in the reaction mixture reaches 77.2% in addition reaction of camphene 25 mmol with formic acid (53 mmol) catalyzed by p-toluenesulfonic acid 0.20 mmol under microwave irradiation for 40 s (microwave power 700 W). Microwave irradiation could raise the reaction rate greatly. This research provided a new approach for esterification of camphene.

Key words: microwave irradiation, camphene, isobornyl formate, addition reaction

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