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Natural Compounds pp 1001-1002 | Cite as

Hovenidulcioside B1

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Hovenidulcigenin B

Biological source: Hovenia dulcis [1]

C44H70O16: 854.466

Mp: 177–180°C (aq. MeOH) [1]

[α]D27 −21.5° (c 0.3, MeOH) [1]

IR (KBr) νmax cm−1: 3432, 2944, 1773, 1736, 1048 [1]

FAB-MS (positive ion mode) m/z: 877 (M + Na)+ [1]

1H NMR (J/Hz, CD3OD): 0.92, 0.93, 1.06, 1.12 (s, CH3-29, 19, 18, 28), 0.98 (d, J = 6.9, CH3-21), 1.29 (d, J = 7.3, CH3-27), 2.08, 2.27 (m, H2-24), 2.15 (s, Ac), 2.45, 2.75 (ABq, J = 18.8, H2-15), 2.72 (m, H-25), 3.23 (m, H-3), 4.38, 4.54 (ABq, J = 10.9, H2-30), 4.66 (m, H-23), 4.88 (m, H-20), 4.47 (d, J = 7.2, H-1 of Glc), 5.43 (brs, H-1 of Rha), 1.27 (d, J = 5.6, CH3-6 of Rha) [1]

13 C NMR (CD 3OD): [ 1]

Table 1

C-1

39.8

C-16

180.0

Glc-1

105.6

2

27.4

17

37.1

2

78.9

3

89.9

18

18.7

3

79.5

4

40.3

19

16.7

4

72.1

5

56.7

20

76.5

5

77.6

6

19.0

21

12.3

6

62.8

7

35.5

22

37.5

Rha-1

101.9

8

42.3

23

78.3

2

72.1

9

54.1

24

36.5

3

72.2...

References

  1. 1.
    M. Yoshikawa, T. Murakami, T. Ueda, H. Matsuda, J. Yamahara, N. Murakami, Chem. Pharm. Bull. 44(9), 1736 (1996)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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