Advertisement

Polysciasoside A

Reference work entry

Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 12-Oxo-dammar-24-en-3β,16β,20(S)-triol

Biological source: Polyscias fulva [1]

C42H70O13: 782.481

[α]D25−66° (c 0.1, MeOH) [1]

IR (KBr) νmax cm−1: 3326, 2913, 1642, 1592, 1414, 1123, 1075, 1040, 853, 802 [1]

FAB-MSm/z: 805.4943 [M + Na]+ [1]

1H NMR (500 MHz, J/Hz, CD3OD): 1.06, 1.56 (m, H2-1), 1.70, 2.02 (m, H2-2), 3.19 (dd, J = 4.5, 11.0, H-3), 0.84 (brd, J = 8.9, H-5), 1.57, 1.70 (H2-6), 1.38 (dd, J = 2.4, 9.4, H-7), 1.58 (m, H-7), 1.79 (dd, J = 3.4, 12.4, H-9), 2.18 (dd, J = 3.6, 13.2, H-11), 2.37 (t, J = 13.3, H-11), 3.14 (d, J = 10.5, H-13), 1.28 (d, J = 13.3, H-15), 2.12 (m, H2-15), 4.34 (dd, J = 4.0, 7.9, H-16), 2.30 (dd, J = 4.2, 10.5, H-17), 1.22 (s, CH3-18), 1.00 (s, CH3-19), 1.05 (s, CH3-21), 2.12 (m, H-22), 1.54 (m, H-23), 5.14 (t, J = 7.0, H-24), 1.68 (s, CH3-26), 1.64 (s, CH3-27), 1.08 (s, CH3-28), 0.90 (s, CH3-29), 1.02...

References

  1. 1.
    E. Bedir, N.J. Toyang, I.A. Khan, L.A. Walker, A.M. Clark, J. Nat. Prod. 64(1), 95 (2001)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations