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林产化学与工业

林产化学与工业 ›› 2009, Vol. 29 ›› Issue (4): 59-62.

• 研究报告 • 上一篇    下一篇

二氧化锰氧化茴脑制备茴香醛的工艺研究

李正球1,2, 哈成勇1, 马一静1,2, 沈敏敏1   

  1. 1. 中国科学院 纤维素化学重点实验室, 广州化学研究所, 广东 广州 510650;2. 中国科学院 研究生院, 北京 100039
  • 收稿日期:2008-07-04 修回日期:1900-01-01 出版日期:2009-08-30 发布日期:2009-08-30
  • 通讯作者: 哈成勇,研究员,博士生导师,主要从事天然产物研究;E-mail:cyha@gic.ac.cn。

Preparation of Anisaldehyde from Oxidation of Anethole by Manganese Dioxide

LI Zheng-qiu1,2, HA Cheng-yong1, MA Yi-jing1,2, SHEN Min-min1   

  1. 1. Laboratory of Cellulose and Lignocellulosics Chemistry;Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China;2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
  • Received:2008-07-04 Revised:1900-01-01 Online:2009-08-30 Published:2009-08-30

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摘要： 以茴脑为原料,硬锰粉为氧化剂,在硫酸介质中制备茴香醛。考察了投料比、滴加的硫酸的质量分数、反应温度、水用量对转化率的影响,确定了最佳工艺条件:反应温度100～105℃,投料比为n(茴脑):n(二氧化锰):n(硫酸)1:4:4,硫酸质量分数为 30%,水用量为硬锰粉质量的3倍,反应时间 2.5h,转化率达 99%,产品收率 62.11%。在该优化条件下,将茴脑的投料量扩大10倍,转化率仍可达 97.59%,产品收率 61.53%。

关键词: 茴脑, 硬锰粉, 氧化, 茴香醛

Abstract: Anisaldehyde was obtained from anethole oxidized by manganese ore in sulfuric acid solution. The effects of dosages of materials and water, mass fraction of sulfuric acid, and temperature on conversion of anethole were investigated. The optimum reaction conditions were as follows:n(anethole):n(MnO2):n(H2SO4) 1:4:4, mass fraction of H2SO4 30%, m(water):m(manganese ore)3:1, reaction temperature 100-105℃, reaction time 2.5h. The conversion of anethole reached 99% and the yield 62.11%. Under the optimal conditions, when the amount of anethole was enlarged to 10 times, the conversion of anethole was up to 97.59%, the yield reached 61.53%.

Key words: anethole, manganese ore, oxidation, anisaldehyde

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