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Diplazioside VI

Reference work entry

CAS Registry Number: 324529-39-7 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Hopan-28,22-lactone-17β,24-diol

Biological source: Diplazium subsinuatum [1]

C42H68O15: 812.455

Mp: 293–295°C [1]

[α]D + 2.9°(c 1.0, C5H5N) [1]

FAB-MSm/z: 811.4469 [M-H], 649 [M-H-Glc], 487 [M-H-2Glc] [1]

IR (KBr) νmax cm−1: 3420, 1732, 1078, 1040 [1]

1H NMR (600 MHz, J/Hz, C5D5N): 0.74 (ddd, J = 13.2, 13.2, 3.6, Hα-1), 1.46 (Hβ-1), 2.32 (Hα-2), 1.89 (Hβ-2), 3.45 (dd, J = 11.7, 4.2, H-3), 0.79 (d, J = 12.0, H-5), 1.51 (Hα-6), 1.25 (Hβ-6), 1.25 (Hα-7), 1.44 (Hβ-7), 1.30 (H-9), 1.51 (Hα-11), 1.25 (Hβ-11), 2.84 (dddd, J = 13.2, 13.2, 13.2, 4.2, H-12), 1.77 (brd, J = 13.2, H-12), 2.64 (dd, J = 13.2, 3.2, Hβ-13), 1.11 (Hα-15), 2.42 (ddd, J = 13.2, 13.2, 4.2, Hβ-15), 2.27 (ddd, J = 13.2, 13.2, 4.2, Hα-16), 2.04 (brd, J = 13.2, Hβ-16), 5.89 (s, HO-17), 1.92 (H-19), 2.11 (ddd, J = 12.8, 12.8, 3.6, H-19), 1.91 (H-20), 2.39...

References

  1. 1.
    Y. Inatomi, A. Inada, H. Murata, M. Nishi, T. Nakanishi, Chem. Pharm. Bull. 48, 1930 (2000)CrossRefGoogle Scholar

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