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Synthesis of a functionalised calix[4]arene and its interactions with hemicucurbit[6,7]urils and cucurbit[8]uril

Author:
Zhu, Jin Ming, Chen, Li Xia, Chen, Kai, Zeng, Xi, Tao, Zhu
Source:
Tetrahedron 2018
ISSN:
0040-4020
Subject:
aromatic hydrocarbons, chemical reactions, dimethyl sulfoxide, fluorescence, fluorescence emission spectroscopy, moieties, nuclear magnetic resonance spectroscopy, titration
Abstract:
In the present work, we synthesised a functionalised calix[4]arene with 5,11-di(N-methyl-E-(4-pyridylethylene) moiety (CX[4]), and investigated interactions of it with HemiMeQ[6], HemiMeQ[7], and Q[8]) in both water and DMSO using fluorescence spectrophotometry and ¹H NMR spectroscopy. Titration ¹H NMR spectra revealed that Q[n]s prefers to include the N-methyl-E-(4-pyridylethylene) moiety. In particular, the interaction of CX[4] with Q[8] in water resulted in intense fluorescence emission, and this interaction system can respond to compounds such as amantadine.
Agid:
6018083