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Glycoside C

Reference work entry

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

Biological source: Diplazium subsinuatum [1,2]

C47H76O18: 928.503

Mp: 278–280°C [1]

[α]D −14.9° (c 1.00, C5H5N) [1]

IR (KBr) νmax cm−1: 3370, 2930, 1700, 1040, 1020 [1]

FAB-MSm/z: 927 [M-H], 795 [M-H-Ara], 765 [M-H-Glc], 633 [M-H-Ara-Glc] [2]

1H NMR (600 MHz, J/Hz, C5D5N): 0.76 (ddd, J = 13.0, 13.0, 3.5, Hα-1), 1.61 (brd, J = 13.0, Hβ-1), 1.40 (m, Hα-2), 1.76 Hβ-2), 1.01 (ddd, J = 13.0, 13.0, 3.5, Hα-3), 2.28 (brd, J = 13.0, Hβ-3), 0.89 (brd, J = 10.5, Hα-5), 1.70 (m, Hα-6), 1.46 (m, Hβ-6), 1.30 (m, Hα-7), 1.31 (m, Hβ-7), 1.42 (brd, J = 9.0, Hα-9), 1.58 (brd, J = 13.0, Hα-11), 1.24 (m, Hβ-11), 2.83 (dddd, J = 3 × 13.0, 4.5, Hα-12), 1.76 (Hβ-12), 2.62 (dd, J = 13.0, 3.5, Hβ-13), 1.05 (brd, J = 13.0, Hα-15), 2.38 (ddd, J = 13.0, 13.0, 4.5, Hβ-15), 2.24 (ddd, J = 13.0, 13.0, 4.5, Hα-16), 2.01 (brd, J = 13.0, Hβ-16),...

References

  1. 1.
    N. Tanaka, K. Yamauchi, T. Murakami, Y. Saiki, C-M. Chen. Chem. Pharm. Bull. 30, 3632 (1982)CrossRefGoogle Scholar
  2. 2.
    T. Nakanishi, Y. Inatomi, M. Nishi, H. Murata, A. Inada, S. Aibara, Chem. Pharm. Bull. 43(12), 2256 (1995)CrossRefGoogle Scholar

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