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Brevicuspisaponin 1

Reference work entry

CAS Registry Number: 287716-72-7 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – 19α,24-Dihydroxy-ursolic Acid

Biological source: Ilex brevicuspis [1]

C35H56O9: 620.392

Mp: 237–238° [1]

[α]58918 + 36.0°, [α]54618 + 40.0° (c 1.346, MeOH) [1]

IR (KBr) νmax cm−1: 3550–3050, 2966–2875, 1685, 1654, 1455, 1378, 1235, 1134, 865 [1]

FAB-MS (positive-ion mode) m/z: 643.4 [M + Na]+, 621.4 [M + H]+, 487.4 [M-C5H9O4]+ [1]

1H NMR (500 MHz, J/Hz, C5D5N): 0.89, 1.53 (H2-1), 2.00, 2.20 (H2-2), 3.51 (dd, J = 11.0, 5.00, H-3), 0.95 (H-5), 1.35, 1.61 (H2-6), 1.35, 1.50 (H2-7), 1.78 (H-9), 1.78, 2.00 (H2-11), 5.50 (s, H-12), 1.25, 2.26 (H2-15), 2.06, 3.25 (dt, J = 13.0, 4.0, H2-16), 3.26 (s, H-18), 2.00 (H-20), 1.30, 2.70 (tt, J = 13.0, 4.0, H2-21), 1.95, 2.20 (H2-22), 1.48 (s, CH3-23), 3.58 (d, J = 10.0), 4.35 (H2-24), 0.81 (s, CH3-25), 1.05 (s, CH3-26), 1.73 (s, s, CH3-27), 1.42 (s, CH3-29), 1.11 (d, J...

References

  1. 1.
    A.T.C. Taketa, T. Schmittmann-Schlager, D. Guillaume, G. Gosmann, E.P. Schenkel, Phytochemistry 53, 901 (2000)CrossRefGoogle Scholar

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