Fluorometric Sensing of Alkaline Earth Metal Cations by New Lariat Ethers Having Plural Pyrenylmethyl Groups on the Electron-Donating Sidearms
作者:Yoshio Nakahara、Yasuo Matsumi、Wanbin Zhang、Toshiyuki Kida、Yohji Nakatsuji、Isao Ikeda
DOI:10.1021/ol026110n
日期:2002.8.1
compounds (1), lariat ethers having plural pyrenylmethyl groups on the sidearms, were prepared, and their complexation behavior with alkaline earth metal cations was examined by fluorescence spectrometry. The pyrene excimer emission decreased accompanied with an increase in the monomer emission upon complexation with the metal ion. This finding is ascribed to the cooperative participation of one of the
[结构:见正文]制备了新型荧光化合物(1),即在侧臂上具有多个pyr甲基的链状醚,并通过荧光光谱法研究了它们与碱土金属阳离子的络合行为。与金属离子络合后,exc准分子发射减少,单体发射增加。该发现归因于两个侧臂之一在冠环与金属离子的络合中的协同参与。