应用化学 ›› 1989, Vol. 0 ›› Issue (2): 67-68.

• 研究简报 • 上一篇    下一篇

水杨醛的电合成法

张功成, 谭镇, 赵占奎   

  1. 兰州大学有机化学研究所
  • 收稿日期:1988-05-04 修回日期:1988-08-05 出版日期:1989-04-10 发布日期:1989-04-10

ELECTROLYTIC SYNTHESS OF SALICYLALDEHYDE

Zhang Gongcheng, Tan Zhen, Zhao Zhankui   

  1. Institute of Organic Chemistry, Lanzhou University
  • Received:1988-05-04 Revised:1988-08-05 Published:1989-04-10 Online:1989-04-10

摘要: 水杨酸经电解还原合成水杨醛已有报道,但其收率不超过50%.我们改进了实验条件,成功地将收率提高到70%以上,实验重现性好.产物经色谱分析,其纯度大于96%.

关键词: 水杨醛, 汞阴极, 电合成

Abstract: Salicylaldehyde was obtained by electrolytic reduction of salicyclic acid. The apparatusand procedure recommended by Kobe has been improved. Under the conditions of 12-18℃,14-16A/dm2 salicylaldehyde with 96% purity can be prepared in 74% yield.

Key words: Salicylaldehyde, Mercury cathode, Electrolytic synthesis