Formation of Aromatic Compounds from Carbohydrates. IV. Chromones from Reaction of Hexuronic Acids in Slightly Acidic, Aqueous Solution.

Thomas Popoff; Olof Theander; B. Juhl Nielsen; I. Johnson; A. Taticchi; T. Anthonsen

Journal ArticleOPEN ACCESS

Formation of Aromatic Compounds from Carbohydrates. IV. Chromones from Reaction of Hexuronic Acids in Slightly Acidic, Aqueous Solution.

Popoff T
Theander O
Nielsen B
et al.

Acta Chemica Scandinavica (1976) 30b 705-710

DOI: 10.3891/acta.chem.scand.30b-0705

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Abstract

Two new chromones, 3,5,6-trihydroxy-2-methylchromone (1) and 3,5,8-trihydroxy-2-methylchromone (2) have been isolated and identified from treatment of D-glucuronic or D-galacturonic acid in aqueous solutions of pH 3.5 and 4.5, respectively, at 96?C. Compound 2 was also isolated from similar treatment of D-xylose. The MS spectra of compounds 1, 2 and 3,8-dihydroxy-2-methylchromone (6) are discussed. The former two (1, 2) seem to be new compounds.

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Popoff, T., Theander, O., Nielsen, B. J., Johnson, I., Taticchi, A., & Anthonsen, T. (1976). Formation of Aromatic Compounds from Carbohydrates. IV. Chromones from Reaction of Hexuronic Acids in Slightly Acidic, Aqueous Solution. Acta Chemica Scandinavica, 30b, 705–710. https://doi.org/10.3891/acta.chem.scand.30b-0705

Formation of Aromatic Compounds from Carbohydrates. IV. Chromones from Reaction of Hexuronic Acids in Slightly Acidic, Aqueous Solution.

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