Abstract
To study the bioactive constituents from Andrographis paniculata, two compounds were isolated and purified by column chromatography on AB-8 macro-porous adsorption resin and polyamide. Their structures were determined by various spectroscopic methods, including UV, FABMS, 1H-NMR, 13C-NMR, DQFCOSY, TOCSY, HMQC, HMBC, and NOESY. The 1H-NMR and 13C-NMR signals of the two compounds were assigned. The structures of the two compounds were elucidated as 5,4′-dihydroxy-7-methoxyflavone-6-yl-β-D-glucopyranoside and 5,4′-dihydroxy-7-methoxyflavone-8-yl-β-Dglucopyranoside, respectively.
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Translated from Acta Chimica Sinica, 2007, 65(14): 1399–1402 [译自: 化学学报]
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Ren, X., Du, G., Zhou, B. et al. Study on spectroscopy of two flavonyl glycosides from Andrographis paniculata . Front. Chem. China 3, 178–181 (2008). https://doi.org/10.1007/s11458-008-0034-z
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DOI: https://doi.org/10.1007/s11458-008-0034-z