A fluorescent ionophoric compound of formula 1 comprises a cryptand portion and a coumarin portion substituted at the 3-position with an electron withdrawing or polar-izable group. The compound, which exhibits good photostability, can be incorporated into cation-sensing composite structures useful in biological and environmental testing, which can be used with conventional glass optics, by means of convenient points of covalent attachment.
式 1 的荧光离子促进化合物包括一个隐核苷部分和一个
香豆素部分,其中
香豆素部分在 3 位上被一个电子撤回基团或可极化基团取代。该化合物具有良好的光稳定性,可通过方便的共价连接点,与阳离子传感复合结构结合,用于
生物和环境测试,并可与传统的
玻璃光学器件一起使用。