Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Studies on a Novel Anthraquinone and Its Glycosides isolated from Rubia cordifolia and R. akane
HIDEJI ITOKAWAKAZUHIKO MIHARAKOICHI TAKEYA
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Keywords: ^<13>C-NMR
JOURNAL FREE ACCESS

1983 Volume 31 Issue 7 Pages 2353-2358

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Abstract

From Radix Rubiae (dried roots of Rubia cordifolia), mollugin, 1-hydroxy-2-methyl-9, 10-anthraquinone, alizarin, 1, 3-dihydroxy-2-ethoxymethyl-9, 10-anthraquinone, lucidin primeveroside, ruberythric acid and three new anthraquinones, 2-methyl-1, 3, 6-trihydroxy-9, 10-anthraquinone, 2-methyl-1, 3, 6-trihydroxy-9, 10-anthraquinone 3-O-(6'-O-acetyl)-α-rhamnosyl-(1→2)-β-glucoside and 2-methyl-1, 3, 6-trihydroxy-9, 10-anthraquinone 3-O-α-rhamnosyl (1→2)-β-glucoside, were isolated. The new anthraquinone glycosides were also obtained from the roots of R. akane, as the main chemical constituents of anthraquinone glycosides. The structures were established by various chemical and spectroscopic methods.

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© The Pharmaceutical Society of Japan
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