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Zur Struktur von Hydroxy-5-phenyl-furanonen: Lösungs-NMR, Festkörper-13C-NMR und Röntgenstruktur im Vergleich / On the Structure of Hydroxy-5-phenyl-furanone Derivatives: NMR Spectroscopy in Solution and High Resolution Solid State 13C NMR Spectroscopy in Relation to X-Ray Crystallography

Author:
Schmidt, M., Albert, K., Brindle, R., Maichle-Mössmer, C., Eger, K.
Source:
Zeitschrift für Naturforschung B 2014 v.48 no.10 pp. 1372-1380
ISSN:
1865-7117
Subject:
X-ray diffraction, crystal structure, dehydroascorbic acid, nuclear magnetic resonance spectroscopy, oxidation, stable isotopes
Abstract:
The structure of (5H)-2-Amino-3-hydroxy-5-phenyl-furan-4-one (lb) was determined by NMR-spectroscopy in solution and in the solid state. The structure of its oxidation product, 3,4-Dihydro-3,3,4,4-tetrahydroxy-5-phenyl-furan-2(5H)-one (7), given in the literature as 5-Phenyl-2,3,4-(5H)-furan-trione, was determined by NMR spectroscopy and crystal structure analysis. The solid state NMR spectrum of 7 was compared to the spectrum of dehydroascorbic acid
Agid:
5219486