Hebevinoside VIII

Reference work entry

CAS Registry Number: 101365-10-0 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – 7β-Hydroxy-hebevinogenin

Biological source: Hebeloma vinosophyllum [1]

C47H74O15: 878.502

[α]D20 + 36.5° (c 0.52, CHCl3) [1]

IR (KBr) νmax cm−1: 3420, 1740, 1640, 1075, 1025 [1]

EI-MSm/z: 860 (47.1, M-H2O), 686 (27.4, M-Ac-Xyl), 668 (83.9, M-H2O-Ac-Xyl), 653 (36.5, M-H2O-Ac-Xyl-CH3) [1]

1H NMR (270 MHz, J/Hz, CDCl3): 5.74 (d, J = 5.5, H-6), 3.93 (d, J = 5.5, H-7), 0.95 (d, J = 6.6, H-21), 5.14 (t, J = 6.8, H-24), 1.61 (s, CH3-26), 1.68 (s, CH3-27), 0.66, 1.00, 1.08, 1.22, 1.26 (s, CH3 × 5)

β-D-Xylp: 4.40 (d, J = 5.9, H-1), 3.70 (t, J = 8.1, H-3), 4.81 (dt, J = 8.1, 5.1, H-4), 3.29 (dd, J = 11.7, 8.1, Ha-5), 3.95 (Hb-5), 2.12 (s, OAc)

β-D-Glcp: 4.22 (d, J = 5.6, H-1), 3.62 (t, J = 9.5, H-3), 4.91 (t, J = 9.5, H-4), 3.55 (m, H-5), 4.07 (dd, J = 12.1, 4.8, Ha-6), 4.16 (dd, Hb-6), 2.10 (s, OAc), 2.12 (s,...

References

  1. 1.
    H. Fujimoto, H. Hagiwara, K. Suzuki, M. Yamazaki, Chem. Pharm. Bull. 35(6), 2254 (1987)CrossRefGoogle Scholar

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