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Scabrioside A

Reference work entry

CAS Registry Number: 199998-33-9 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – Pomolic Acid

Biological source: Scabiosa rotata [1]

C47H76O18: 928.503

[α]D20−22.9° (c 0.38, MeOH) [1]

IR (KBr) νmax cm−1: 3420, 1740, 1635, 1070 [1]

FAB-MSm/z: 971 [M + Na]+ [1]

1H NMR (300 MHz, J/Hz, CD3OD): 1.64, 1.00 (H2-1), 1.80, 1.70 (H2-2), 3.13 (H-3), 0.79 (H-5), 1.53, (H-6), 1.36, 1.34 (H2-7), 1.70 (H-9), 1.98, 1.34 (H2-11), 5.29 (brs, H-12), 1.85, 1.03 (H2-15), 2.60 (m, H-16), 1.65 (H-16), 2.53 (s, H-18), 1.38 (H-20), 1.70 (H-21), 1.74 (H-22), 1.05 (s, CH3-23), 0.84 (s, CH3-24), 0.95 (s, CH3-25), 0.78 (s, CH3-26), 1.32 (s, CH3-27), 1.20 (s, CH3-29), 0.93 (d, J = 6.6, CH3-30)

β-D-Xylp: 4.27 (d, J = 7.4, H-1), 3.18 (dd, J = 7.4, 8.8, H-2), 3.54 (H-3), 3.45 (H-4), 3.83, 3.20 (H2-5)

β-D-Glcp: 5.28 (d, J = 7.9, H-1), 3.33 (H-2), 3.42 (H-3), 3.45 (H-4), 3.50 (H-5), 4.10 (brd, J = 11.2, H-6), 3.74 (dd,...

References

  1. 1.
    T. Baykal, T. Panayir, D. Tasdemir, O. Sticher, I. Çalis, Phytochemistry 48, 867 (1998)CrossRefGoogle Scholar

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