Natural Compounds pp 1014-1014 | Cite as

Spergulin B

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Spergulatriol

Biological source: Mollugo spergula [1]

C39H64O11: 708.444

Mp: 271–273°C [1]

[α]D20 −20.0° (c 0.85, C5H5N) [1]

IR (KBr)νmax cm−1: 3414, 1654, 1454, 1040, 985, 839 [1]

HR-FAB-MSm/z: 707.43757 [M-H] [1]

LR-FAB-MSm/z: 709.4 [M + H]+ [1]

1H NMR (500 MHz, J/Hz, C5D5N): 1.00, 1.70 (Hα,β-1), 1.84 (m, Hα, Hβ-2), 3.45 (m, Hα-3), 0.82 (dd, J = 2.3, 12.1, H-5), 1.42, 1.57 (m, Hα, Hβ-6), 1.31, 1.5 (m, Hα, Hβ-7), 1.42 (m, Hα-9), 1.66, 2.13 (m, Hα, Hβ-11), 4.22 (m, H-12), 1.80 (d, J = 10.8, H-13), 1.76, 1.9 (m, Hβ-15, dd, J = 4.4, 12.4, Hα-15), 4.32 (dt, J = 4.4, 10.1, Hα-16), 2.15 (H-17), 1.80, 2.54 (Hβ-19, ddd, J = 1.7, 8.6, 12.5, Hα-19), 2.43, 2.47 (m, Hα, Hβ-20), 5.15, 6.07 (t, J = 2.1, H-22), 1.24 (s, CH3-23), 1.04 (s, CH3-24), 0.89 (s, CH3-25), 1.07 (s, CH3-26), 1.16 (s, CH3-27), 1.09 (s, CH3-28)

β-D-Xylp: 4.84 (d, J = 6.2, H-1), 4.23 (m, H-2),...

References

  1. 1.
    N.P. Sahu, K. Koike, S. Banerjee, B. Achari, T. Nikaido, Phytochemistry 58, 1177 (2001)CrossRefGoogle Scholar

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