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Eryloside G

Reference work entry

CAS Registry Number: 350678-22-7 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – 14-Carboxy-24-methyllanosta-8(9),24(31)-diene

Biological source: Erylus nobilis [1]

C50H81NO17: 967.550

Mp: 187–191°C [1]

[α]D25 −18.8° (c 0.09, MeOH) [1]

FAB-MS (positive ion mode) m/z: 990.5401 [M + Na]+ [1]

IR (KBr) νmaxcm−1: 3350, 2945, 1645, 1565, 1455, 1375, 1075 [1]

1H NMR (600 MHz, J/Hz, CD3OD): 1.76, 1.29 (m, H2-1), 2.0, 1.74 (m, H2-2), 3.18 (dd, J = 11.7, 4.4, H-3), 1.10 (dd, J = 12.7, 2.3, H-5), 1.70, 1.53 (m, H-6), 2.11, 1.98 (m, H2-7), 2.14, 2.11 (m, H2-11), 2.25, 1.70 (m, H2-12), 2.06, 1.40 (m, H2-15), 2.06, 1.58 (m, H2-16), 1.55 (m, H-17), 0.80 (s, CH3-18), 1.05 (s, CH3-19), 1.48 (m, H-20), 0.94 (d, J = 6.3, H-21), 1.55, 1.12 (m, H2-22), 2.08 (m, H-23), 1.90 (ddd, J = 14.2, 10.7, 5.9, H-23), 2.20 (m, CH3-25), 1.02 (d, J = 6.8, CH3-26), 1.01 (d, J = 6.8, CH3-27), 1.08 (s, CH3-28), 0.90 (s, CH3-29), 4.71...

References

  1. 1.
    J. Shin, H.-S. Lee, L. Woo, J.-R. Rho, Y. Seo, Ki W. Cho, Ch.J. Sim, J. Nat. Prod. 64(6), 767 (2001)CrossRefGoogle Scholar

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