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Hoduloside VII

Reference work entry

CAS Registry Number: 154971-11-6 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 16-Oxo-dammar-23-en-3β,20(S),25,30-tetraol

Biological source: Hovenia dulcis [1]

C47H78O18: 930.518

[α]D−52.1° (c 5.2, MeOH) [1]

IR (KBr) νmax cm−1: 3400, 1730 [1]

FAB-MSm/z: 929 [M-H], 783 [M-H-Rha], 767 [M-H-Glc] [1]

1H NMR (200 MHz, J/Hz, C5D5N): 0.79, 1.04, 1.04, 1.08, 1.51, 1.51, 1.53 (s, CH3 × 7), 3.12 (dd, J = 12.0, 5.5, H-3), 2.43, 2.64 (dd, J = 16.0, H2-15), 3.21 (d, J = 11.4, H-17), 2.77 (m, H-22), 2.91 (dd, J = 13.5, 7.8, H-22), 4.30, 4.71 (dd, J = 10.3, CH2-30), 6.01 (d, J = 15.6, H-24), 6.35 (ddd, J = 15.6, 7.8, 7.8, H-23)

α-L-Arap: 4.88 (d, J = 5.6, H-1)

α-L-Rhap: 6.15 (s, H-1), 1.63 (s, CH3-6)

β-D-Glcp: 4.93 (d, J = 7.8, H-1) [1]

13 C NMR (50 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.8

C-16

220.5

Ara-1

105.0

Glc-1

105.2

2

26.9

17

57.9

2

76.0

2

75.1

3

88.3

18

17.1

3

74.1

3

78.9

4

39.7

19

16.6

4

68.9...

References

  1. 1.
    K. Yoshikawa, Y. Nagai, M. Yoshida, S. Arihara, Chem. Pharm. Bull. 41(10), 1722 (1993)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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