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Diplazioside III

Reference work entry

CAS Registry Number: 187142-69-4 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – 20α,24,30-Trihydroxy-22(S)-hopan-28-oic Acid

Biological source: Diplazium subsinuatum [1]

C53H88O24: 1108.566

Mp: 203–205°C [1]

[α]D −12.7° (c 1.0, C5H5N) [1]

FAB-MSm/z: 1107.5588 [M-H], 975 [M-H-Ara], 945 [M-H-Glc], 813 [975-Glc], 651 [813-Glc] [1]

EI-MSm/z: 472 (9, agl-H2O)+, 441 (31), 427 (25), 426 (54), 369 (13), 207 (100), 189 (38) [1]

IR (KBr) νmax cm−1: 3380, 2920, 1690, 1080, 1040 [1]

1H NMR (600 MHz, J/Hz, C5D5N): 0.72 (ddd, J = 13.2, 13.2, 3.5, Hα-1), 1.59 (Hβ-1), 1.40 (Hα-2), 1.77 (Hβ-2), 1.00 (ddd, J = 13.2, 13.2, 3.5, Hα-3), 2.25 (brd, J = 13.2, Hβ-3), 0.86 (brd, J = 12.6, Hα-5), 1.71 (brd, J = 13.2, Hα-6), 1.51 (Hβ-6), 1.33 (H2-7), 1.30 (brd, J = 12.0, Hα-9), 1.44 (brd, J = 13.2, Hα-11), 1.16 (ddd, J = 13.2, 13.2, 3.5, Hβ-11), 2.16 (dddd, J = 13.2, 13.2, 13.2, 4.0, H-12), 1.88 (H-12), 1.56 (Hβ-13),...

References

  1. 1.
    T. Nakanishi, Y. Inatomi, M. Nishi, H. Murata, A. Inada, Chem. Pharm. Bull. 45(1), 8 (1997)CrossRefGoogle Scholar

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