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Chilianoside B

Reference work entry

CAS Registry Number: 222541-48-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 24-Hydroperoxy-dammar-25-en-1β,2α,3β,20(R)-tetraol

Biological source: Rhoiptelea chiliantha [1]

C38H64O12: 712.439

[α]D20 + 29.4° (c 0.3, MeOH) [1]

FAB-MSm/z: 735 (M + Na)+ [1]

1H NMR (500 MHz, J/Hz, CD3OD): 0.76 (s, CH3-29), 0.81 (m, H-5), 0.90 (s, CH3-30), 0.96 (s, CH3-19), 0.98 (s, CH3-28), 0.99 (s, CH3-18), 1.07 (s, CH3-21), 1.47, 1.03 (m, H2-15), 1.36 (m, Hb-11), 1.50, 1.36 (m, H2-22), 1.54 (m, H-9), 1.58, 1.26 (m, H2-7), 1.60, 1.26 (m, H2-6), 1.63, 1.50 (m, H2-23), 1.66, 1.35 (m, H2-16), 1.67 (m, H-17), 1.70 (m, H-13), 1.71 (s, CH3-27), 1.90, 1.28 (m, H2-12), 2.09 (s, Ac), 2.48 (dd, J = 13.0, 13.0, Ha-11), 3.04 (d, J = 9.0, H-3), 3.13 (d, J = 9.0, H-1), 3.46 (t, J = 9.0, H-2), 4.16 (t, J = 6.0, H-24), 4.91 (s, Ha-26), 4.92 (dd, J = 2.0, 3.0, Hb-26)

β-D-Glcp: 4.53 (d, J = 8.0, H-1), 4.80 (d, J =...

References

  1. 1.
    Z.-H. Jiang, R. Fukuoka, F. Aoki, T. Tanaka, I. Kouno, Chem. Pharm. Bull. 47, 257 (1999)CrossRefGoogle Scholar

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