Advertisement

Acankoreanoside B

Reference work entry

Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – 3α,11α,23-Trihydroxy-lup-20(29)-en-28-oic Acid

Biological source: Acanthopanax koreanum [1]

C48H78O19: 958.513

Mp: 220–223°C [1]

[α]D27 −37.5° (c 0.37, EtOH) [1]

IR (KBr) νmax cm−1: 3403, 2939, 1727, 1641 [1]

FAB-MSm/z: 957 [M-H] [1]

1H NMR (500 MHz, J/Hz, C5D5N): 0.83, 1.00, 1.25, 1.29, 1.64 (s, CH3-24, 27, 26, 25, 30), 1.92 (d, J = 11.0, H-9), 2.98 (m, H-13), 3.38 (m, H-19), 3.67 (d, J = 11.0, H-23), 3.88 (d, J = 11.0, H-23), 3.92 (brs, H-3), 4.33 (H-11), 4.61, 4.80 (brs, H2-29)

β-D-Glcp: 6.32 (d, J = 7.9, H-1), 4.08 (t, J = 9.2, H-2), 4.21 (t, J = 9.2, H-3), 4.30 (H-4), 4.11 (H-5), 4.28 (H-6), 4.67 (d, J = 11.0, H-6)

β-D-Glcp′: 4.94 (d, J = 7.9, H-1), 3.94 (H-2), 4.15 (H-3), 4.39 (t, J = 9.5, H-4), 3.67 (d, J = 11.0, H-5), 4.11 (H-6), 4.19 (H-6)

α-L-Rhap: 5.83 (brs, H-1), 4.66 (brs, H-2), 4.53 (dd, J = 9.2, 3.1, H-3), 4.32 (H-4), 4.93 (H-5), 1.70...

References

  1. 1.
    S.-Y. Chang, Ch-S Yook, T. Nohara, Chem. Pharm. Bull. 46, 163 (1998)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations