title: Synthesis and solid-state structures of a macrocyclic receptor based on the 2,6-bis(2-anilinoethynyl)pyridine scaffold.
abstract: A fluorescent macrocyclic anion receptor based on the 2,6-bis(2-anilinoethynyl)pyridine scaffold has been synthesized to investigate the mechanism of fluorescence quenching in this class of compounds. X-ray crystallography reveals that the binding pocket of the receptor is a natural host to both H2O and HCl, accommodating either molecule in nearly identical environments. Our studies show that protonation, not collisional quenching, is responsible for the observed fluorescence quenching response.
authors.affiliation: Department of Chemistry & Biochemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403-1253 USA.
authors.forename: Jeffrey M
authors.initials: JM
authors.lastname: Engle
authors.affiliation: Department of Chemistry & Biochemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403-1253 USA.
authors.forename: Pushpinder S
authors.initials: PS
authors.lastname: Singh
authors.affiliation: Department of Chemistry & Biochemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403-1253 USA.
authors.forename: Chris L
authors.initials: CL
authors.lastname: Vonnegut
authors.affiliation: Department of Chemistry & Biochemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403-1253 USA.
authors.forename: Lev N
authors.initials: LN
authors.lastname: Zakharov
authors.affiliation: Department of Chemistry & Biochemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403-1253 USA.
authors.forename: Darren W
authors.initials: DW
authors.lastname: Johnson
authors.affiliation: Department of Chemistry & Biochemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403-1253 USA.
authors.forename: Michael M
authors.initials: MM
authors.lastname: Haley
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