Ginsenoside Rh5

Reference work entry

CAS Registry Number: 340270-88-4 Open image in new window

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

Biological source: Panax vietnamensis [1]

C37H64O9: 652.455

[α]D25 + 32.4° (c 2.39, MeOH) [1]

IR (KBr) νmax cm−1: 3400, 1650 [1]

FAB-MSm/z: 651.4471 [1]

1H NMR (J/Hz, C5D5N): 1.73, 1.01 (m, H2-1), 1.97, 1.84 (m, H2-2), 3.49 (dd, J = 11.3, 4.7, H-3), 1.41 (d, J = 10.8, H-5), 4.38 (td, J = 10.8, 3.0, H-6), 2.45 (dd, J = 12.7, 3.0, H-7), 1.92 (m, H-7), 1.50 (m, H-9), 1.41, 2.07 (m, H2-11), 3.68 (td, J = 10.0, 5.4, H-12), 1.8 (dd, J = 11.2, 5.4, H-13), 1.56, 1.04 (m, H2-15), 1.61, 1.18 (m, H2-16), 2.30 (m, H-17), 1.02 (s, CH3-18), 1.12 (s, CH3-19), 1.13 (s, CH3-21), 1.92, 1.18 (m, H2-22), 2.25, 2.06 (m, H2-23), 5.23 (t, J = 6.9, H-24), 1.66 (s, CH3-26), 1.62 (s, CH3-27), 2.01 (s, CH3-28), 1.56 (s, CH3-29), 0.79 (s, CH3-30)

β-D-Glcp: 4.96 (d, J = 7.8, H-1), 4.02 (t, J = 7.8,...

References

  1. 1.
    Q. Tran, I.K. Adnyana, Y. Tezuka, T. Nagaoka, Q.K. Tran, Sh. Kadota, J. Nat. Prod. 64(4), 456 (2001)CrossRefGoogle Scholar

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