影像科学与光化学 ›› 1988, Vol. 6 ›› Issue (2): 57-60.DOI: 10.7517/j.issn.1674-0475.1988.02.57

• 研究简报 • 上一篇    下一篇

9,10-二氰基蒽光敏化香豆素加成反应的研究

顾可俊, 张宝文, 曹怡   

  1. 中国科学院感光化学研究所, 北京
  • 收稿日期:1987-07-13 修回日期:1987-11-30 出版日期:1988-05-20 发布日期:1988-05-20

INVESTIGATION ON 9, 10-DICYANOANTHRACENE SENSITIZED PHOTOADDITION OF COUMARIN

Gu KE-JUN, ZHANG BAO-WEN, CAO YI   

  1. Institute of Photographic Chemistry, Academic Sinica, Beijing
  • Received:1987-07-13 Revised:1987-11-30 Online:1988-05-20 Published:1988-05-20

摘要: 光化学中的电子转移反应近年来引起了人们广泛的重视。9,10-二氰基蒽(DCA)作为贫电子敏化剂敏化的各类烯烃的光氧化反应,光重排反应,光加成反应等均有报道。我们在研究DCA光敏化香豆素反应时发现,香豆素与DCA能够发生电子转移的给体—受体加成反应,联苯(BP)可以充当二次电子转移体加速反应。

关键词: 二次电子转移, 香豆素, 联苯, 9,10-二氰基蒽, 光加成

Abstract: Sensitized photoaddition of coumarin to 9,10-dicyanoanthracene via electron transfer was reported. A dramatic enhancement of the rate of the photoaddition reaction was observed in the presence of biphenyl (BP). The possible mechanism was discussed.

Key words: secondary electron transfer, coumarin, biphenyl, 9,10-dicyanoanthracence, photoaddition