二苯并-18-冠-6的合成及其光谱性质

通过改变溶剂的极性、离子性、离去基团的活性及反应温度等方法,对传统的Pedersen冠醚合成法进行了优化,使目标产物的最高产率可达71%以上,速率增加,而且反应条件温和.产物通过IR、1H NMR及元素分析等方法进行结构表征.同时对目标产物的荧光及紫外可见光谱性质也进行了初步的研究,结果表明:目标产物不仅具有较好的光谱性质,而且一些金属离子能使其荧光强度发生改变.因此我们期望目标化合物能够用于一些离子的检测、生物分子的分析.

Dibenzo-18-Crown-6's Synthesis and Its Spectral Property

The traditional synthesis of crown ether was optimized by changing polar and ionic properties of the solvent,activity of leaving group and temperature.The best yield was over 71%.The aimed compound was characterized by IR, 1H-NMR and element analysis,the fluorescence and UV properties of aimed compounds were preliminarily studied.They have a good spectrum property,some metal ions could make the fluorescence intensity of the new fluorescent reagent changed,and can be used for the detections of some ions or analysis of bio-macromolecules with highly selectivity and sensitivity.