Fluorescent Monitoring of Complexation of Phthalimide-Fused Crown Ethers with Alkali Metal Ions
作者:Joe Otsuki、Toshihiro Yamagata、Koji Ohmuro、Koji Araki、Toshio Takido、Manabu Seno
DOI:10.1246/bcsj.74.333
日期:2001.2
property was used to monitor the process of ioncomplexation and concomitant conformation changes. With the incremental addition of cesium ions (M) to the bis(crown ether)s (L), a folded sandwich complex (LM) initially formed, which subsequently transformed into a more extended LM2-type complex. This behavior, which was independently confirmed by 1H NMR spectroscopy, is clearly manifested in the fluorescence