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Natural Compounds pp 1012-1012 | Cite as

Spergulacin

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Spergulagenin A

Biological source: Mollugo spergula [1]

C41H68O12: 752.471

Mp: 280–282°C [1]

[α]D20 −13.7° (c 0.76, C5H5N) [1]

HR-FAB-MSm/z: 751.46564 [M-H] [1]

LR-FAB-MSm/z: 753.4 [M + H]+ [1]

1H NMR (500 MHz, J/Hz, DMSO-d6): 3.02 (dd, J = 4.5, 11.5, Hα-3), 0.67 (d, J = 1.08, H-5), 3.67 (m, H-12), 1.30 (d, J = 10.8, H-13), 3.60 (m, Hα-16), 1.62 (d, J = 11.5, H-17), 2.01 (dd, J = 7.3, 12.4, Hβ-19), 1.76 (dd, J = 9.0, 13.8, Hβ-20), 0.95 (s, CH3-23), 0.75 (s, CH3-24), 0.80 (s, CH3-25), 0.91 (s, CH3-27), 0.92 (s, CH3-28), 0.96 (s, CH3-26), 1.26 (s, CH3-29), 2.10 (s, CH3-30)

β-D-Xylp: 4.17 (d, J = 7.5, H-1), 3.10 (m, H-2), 3.30 (m, H-3), 3.31 (m, H-4), 3.10, 3.70 (H2-5)

α-L-Rhap: 5.0 (H-1), 3.71 (H-2), 3.48 (H-3), 3.19 (m, H-4), 3.86 (m, H-5), 1.10 (d, J = 6.2, CH3-6) [1]

13 C NMR(500 MHz, DMSO-d 6): [ 1]

Table 1

C-1

38.2

C-16

64.0

Xyl-1

105.6

2

25.8

17

62.8

References

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

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© Springer Science+Business Media New York 2013

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