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20-Glucoginsenoside-Rf

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 20(S)-Protopanaxatriol

Biological source: Panax ginseng [1]

C48H82O19: 962.545

Mp: 182–184°C (i-PrOH) [1]

[α]D28 + 21° (c 0.1, MeOH) [1]

IR (KBr) νmax cm−1: 3420, 1620 [1]

1H NMR (90 MHz, J/Hz, CDCl3) (for permethylate): 0.88, 0.92, 0.95, 1.01, 1.26, 1.33, 1.59, 1.67 (s, CH3 × 8), 3.33-3.63 (s, OCH3), 4.34 (d, J = 7.0, H-1 of Glc), 4.48 (d, J = 7.0, H-1 of Glc′), 4.65 (d, J = 7.0, H-1 of Glc″) [1]

References

  1. 1.
    S. Sanada, J. Shoji, Chem. Pharm. Bull. 26(6), 1694 (1978)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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