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化学学报
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化学学报 ›› 1996, Vol. 54 ›› Issue (7): 716-721. 上一篇    下一篇

研究论文

芳环取代的俘精酸酐的合成及光致变色反应研究

于联合;明阳福;樊美公;姚思德;林念云   

  1. 中国科学院感光化学研究所;中国科学院上海原子核研究所;中国科学院辐射化学开放实验室
  • 发布日期:1996-07-15

Synthesis and photochromism of aryl substituted fulgides

YU LIANHE;MING YANGFU;FAN MEIGONG;YAO SIDE;LIN NIANYUN   

  • Published:1996-07-15

PDF

541

被引次数

20

本文报道四个芳环取代的俘精酸酐:2-亚异丙基-3-[1-(4-甲氧苯基)-亚乙基]-丁二酸酐(BF1); 2-亚异丁基-3-[1-(4-甲氧苯基)-亚乙基]-丁二酸酐(BF2);2-亚异丙基-3-[1-(α-萘基)-亚乙基]-丁二酸酐(NF1); 2-亚异丙基-3-[1-(β-萘基)-亚乙基]-丁二酸酐(NF2)的合成及其光致变色性质。测定了它们在不同溶剂中光致变色前后的吸收光谱。利用纳秒级激光闪光光解技术研究了它们的光致变色过程, 并讨论了其光致变色机理。结果表明, 这类芳环取代的俘精酸酐的光致环合反应是经过激发单重态进行的快速过程。

关键词: 吸收光谱法, 反应机理, 光致变色, 闪光光解, 俘精酸酐

In this paper, we report the synthesis and photochromism of four aryl fulgides: (E)-1-(p-methoxyphenyl) ethylidene (isopropylidene) succinic anhydride (BF1), (E)-1-(p-methoxyphenyl) ethylidene (isobutylidene) succinic anhydride (BF2), (E)-α-naphthylethylidene (isopropylidene) succinic anhydride (NF1), (E)-β-naphthylethylidene (isopropylidene) succinic anhydride (NF2). Photochromic processes of these compounds have been studied by nanosecond laser flash photolysis technique, the reaction mechanism has been discussed. It was found that photoinduced cyclization of aryl fulgides is a fast process, and only the excited signlet state is involved in the photocyclization reaction.

Key words: ABSORPTION SPECTROMETRY, REACTION MECHANISM, PHOTOCHROMISM, FLASH PHOTOLYSIS

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