UNVEILING THE SWEET CONFORMATIONS OF KETOHEXOSES

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2013

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Ohio State University

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The conformational behavior of ketohexoses D-Fructose, L-Sorbose, D-Tagatose and D-Psicose has been revealed from their rotational spectra. A broadband microwave spectrometer (CP-FTMW) \textbf{2008}, \textit{79}, 053103.} combined with a laser ablation (LA) sourcea, C.~Cabezas, J.~C.~Lopez, J.~L.~Alonso, \textit{J. Mol. Spectrosc.} \textbf{2012}, \textit{280}, 91.} has been used to rapidly acquire the rotational spectra in the 6 to 12 GHz frequency range. All observed species are stabilized by complicated intramolecular hydrogen-bonding networks. Structural motifs related to the sweetness of ketohexoses are revealed.

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Author Institution: Grupo de Espectroscopia Molecular (GEM), Edificio Quifima, Laboratorios de Espectroscopia y Bioespectroscopia, Parque Cientifico, Universidad de Valladolid, 47011 Valladolid, Spain

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http://hdl.handle.net/1811/55079

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Abstracts of OSU International Symposium on Molecular Spectroscopy 2010-2013