Compound 8A from Fagonia glutinosa

Reference work entry

Open image in new window

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

Biological source: Fagonia glutinosa [1]

C42H68O12: 764.471

[α]D23 + 34.3° (c 0.22, MeOH) [1]

FAB-MSm/z: 787 [C42H68O12 + Na]+, 453, 393, 307, 298, 262, 203 [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.90 (Hα-1), 1.53 (Hβ-1), 2.12 (Hα-2), 1.82 (Hβ-2), 3.38 (dd, J = 13.3, 4.0, H-3), 0.83 (H-5), 1.53 (Hα-6), 1.34 (Hβ-6), 1.60 (dd, J = 12.0, 8.0, H-9), 1.90 (H-11), 5.38 (H-12), 1.12 (brd, J = 13.3, Hα-15), 2.43 (d, J = 12.7, H-18), 1.42 (Hα-19), 1.33 (s, CH3-23), 1.01 (s, CH3-24), 0.90 (s, CH3-25), 0.84 (s, CH3-26), 1.20 (s, CH3-27), 3.70 (s, CH3-28), 0.95 (d, J = 6.5, CH3-29), 0.85 (d, J = 6.5, CH3-30)

α-L-Arap: 4.75 (d, J = 6.8, H-1), 4.58 (t, J = 7.0, H-2), 4.22 (dd, J = 6.8, 3.5, H-3), 4.43 (m, H-4), 3.47 (d, J = 11.0, H-5), 4.21 (H-5)

β-D-Glcp: 5.37 (d, J = 8.0, H-1), 4.02 (t, J = 8.0, H-2), 4.24 (t, J = 8.0, H-3), 4.21 (t, J =...

References

  1. 1.
    F.R. Melek, T. Miyase, M.R. El-Gindy, S.M. Abdel-Khalik, N.S. Ghaly, M. El-Kady, Pharmazie 55, 772 (2000)Google Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations