writer：He S., Lu Y., LI Y., Lu Y. and Zeng X.
keywords：calix[6]arene, mercury, sensor
source：期刊
specific source：高等學校化學學報, 2011, 32 (9): 2139-2144
Issue time：2011年
Three new fluorescent probes based on C3v symmetric calix[6]arene functionalized with three anthracylselenoalkoxy (1), anthracyltelluroalkoxy (2) or anthracylthiaalkoxy (3) groups were synthesized, respectively. The photophysical behavior and the binding ability of 1-3 with some alkaline metal ions and transition metal ions were investigated by fluorescence spectrometry. Receptor 1 exhibited highly selective fluorescence quenching behavior towards Hg2+ in CH2Cl2 with Ka = (1.12 ± 0.08) ´ 105 M-1. In addition, the color change of 1-Hg2+ from colorless to light yellow allows naked-eye detection of mercury (Ⅱ).