Synthesis and solid-state structures of a macrocyclic receptor based on the 2,6-bis(2-anilinoethynyl)pyridine scaffold
作者： Jeffrey M. Engle , Pushpinder S. Singh , Chris L. Vonnegut , Lev N. Zakharov , Darren W. Johnson
DOI: 10.1039/C3CE42307G
关键词: Protonation 、 Receptor 、 Nanotechnology 、 Pyridine 、 Solid-state 、 Chemistry 、 Scaffold 、 Quenching (fluorescence) 、 Combinatorial chemistry 、 Fluorescence 、 Molecule
摘要: A fluorescent macrocyclic anion receptor based on the 2,6-bis(2-anilinoethynyl)pyridine scaffold has been synthesized to investigate mechanism of fluorescence quenching in this class compounds. X-ray crystallography reveals that binding pocket is a natural host both H2O and HCl, accommodating either molecule nearly identical environments. Our studies show protonation, not collisional quenching, responsible for observed response.
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