Sodiated sugar structures: Cryogenic ion vibrational spectroscopy of Na+(glucose) adducts
Voss, Jonathan
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https://hdl.handle.net/2142/97006
Description
Title
Sodiated sugar structures: Cryogenic ion vibrational spectroscopy of Na+(glucose) adducts
Author(s)
Voss, Jonathan
Contributor(s)
Garand, Etienne
Fischer, Kaitlyn C.
Kregel, Steven J.
Issue Date
2017-06-21
Keyword(s)
Conformers
Isomers
Chirality
Stereochemistry
Abstract
The recent discovery that ionic liquids help facilitate the dissolution of cellulose has renewed interest in understanding how ionic species interact with carbohydrates. Here we present infrared spectra in the 2800 – 3800 wn range of gas-phase mass-selected Na$^+$(Glucose) adducts. These adducts are further probed with IR-dip spectroscopy to yield conformer specific spectra of at least seven unique species. The relative abundances of conformers show that gas-phase interconversion barriers are sufficiently high to preserve the solution-phase populations. Additionally, our results demonstrate that mM concentrations of NaCl do not strongly perturb the anomeric ratio of glucose in solution.
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