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Hoduloside X

Reference work entry

CAS Registry Number: 154971-14-9 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]

C53H88O23: 1092.571

[α]D−35° (c 1.8, MeOH) [1]

IR (KBr) νmax cm−1: 3400, 1730 [1]

FAB-MSm/z: 1091 [M-H], 945 [M-H-Rha], 929 [M-H-Glc] [1]

1H NMR (200 MHz, J/Hz, C5D5N): 0.76, 1.01, 1.09, 1.10, 1.51, 1.51, 1.52 (s, CH3 × 7), 2.42, 2.68 (d, J = 15.9, H2-15), 2.96 (dd, J = 13.5, 7.8, H-22), ca 2.78 (H-22), ca 3.18 (m, H-3), 3.27 (dd, J = 11.5, H-17), 4.71 (d, J = 10.3, H2-30), 6.00 (d, J = 15.6, H-24), 6.39 (ddd, J = 15.6, 7.8, 7.8, H-23)

α-L-Arap: 4.84 (d, J = 5.7, H-1)

α-L-Rhap: 6.22 (s, H-1), 1.64 (d, J = 5.5, CH3-6)

β-D-Glcp: 5.14 (d, J = 7.5, H-1)

β-D-Glcp′: 4.98 (d, J = 7.5, H-1) [1]

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

Table 1

C-1

38.8

C-16

220.3

Ara-1

104.8

Glc-1

104.8

2

26.8

17

57.8

2

74.6

2

75.0

3

87.7

18

17.0

3

82.4

3

78.2...

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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