通过光化学激发自组装分子的基氧化
Michito Yoshizawa1, Sachiko Miyagi, Masaki Kawano
1Department of Applied Chemistry, School of Engineering, The University of Tokyo, and CREST, Japan Science and Technology Corporation (JST), Bunkyo-ku, Tokyo 113-8656, Japan.
Journal of the American Chemical Society
|July 30, 2004
概括
协调的光激发使区域选择性客氧化成为可能. 这个过程形成了稳定的基因和蓝色,这是自我组装分子系统的特征.
科学领域:
- 协调化学 协调化学
- 超分子化学 超分子化学
- 摄影化学的使用.
背景情况:
- 自组装的协调 (M6L4型) 可以封装客分子.
- 基通常在光化学上是惰性的.
- 了解客户在封闭环境中的反应能力至关重要.
研究的目的:
- 为了研究一个自组装的M6L4协调内的惰性客的光诱导反应.
- 描述封装基的氧化产品和副产品.
- 确定观察到的现象是否与自组装系统固有.
主要方法:
- 含有客 (阿达曼坦,环氧) 的M6L4协调的光激发.
- 电子自旋共振 (ESR) 谱法用于检测激素形成.
- 谱光测量用于监测溶液颜色的变化.
主要成果:
- 客的区域选择性氧化发生在内的光激发后.
- 在无氧条件下检测到稳定的基质形成 (g = 2.002).
- 溶液颜色从无色变为蓝色,表明了M6L4组件的特征性质.
结论:
- M6L4协调可以促进其他惰性客的氧化.
- 观察到的氧化和基质形成是自组装M6L4系统的组成特性.
- 没有任何单一的成分 (金属,连接体或客体) 可以被排除为这些不寻常反应的唯一原因.
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