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Actinostemmoside D

Reference work entry

CAS Registry Number: 108906-61-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 20(R)-Dammar-24-en-3β,6α,7β,20,27-tetraol

Biological source: Actinostemma lobatum [1]

C42H72O13: 784.497

Mp: 168–171°C (EtOH) [1]

[α]D17−2.2° (c 1.0, MeOH) [1]

FAB-MSm/z: 807 [M + Na]+ [1]

1H NMR (J/Hz, C5D5N + D2O): 3.50 (dd, J = 7, 10, H-3), 1.17 (d, J = 11, H-5), 4.35 (ddd, J = 11, 11, 3, H-6), 2.22 (ddd, J = 11, 11, 6, H-17), 0.85 (s, CH3-18), 1.08 (s, CH3-19), 1.49 (s, CH3-21), 2.45, 2.70 (m, H2-23), 5.50 (t, J = 7, H-24), 2.00 (s, CH3-26), 4.54, 4.64 (d, J = 12, H2-27), 1.92 (s, CH3-28), 1.42 (s, CH3-29), 1.03 (s, CH3-30)

β-D-Glcp: 4.98(d, J = 8, H-1), 4.13 (dd, J = 8, 10, H-2), 4.25 (t, J = 10, H-3), 3.99 (t, J = 10, H-4), 3.87 (ddd, J = 10, 7, 2, H-5), 4.18 (dd, J = 7, 12, H-6), 4.45 (dd, J = 12, 2, H-6)

α-L-Rhap: 6.40 (s-like, H-1), 4.77 (t, J = 3, H-2), 4.57 (dd, J = 3, 9, H-3), 4.28 (t, J =...

References

  1. 1.
    M. Iwamoto, T. Fujioka, H. Okabe, K. Mihashi, T. Yamauchi, Chem. Pharm. Bull. 35(2), 553 (1987)CrossRefGoogle Scholar

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