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Ginsenoside-Rh7

Reference work entry

CAS Registry Number: 343780-68-7 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 3β,7β,12β,20(S)-Tetrahydroxy-dammar-5,24-diene

Biological source: Panax ginseng [1]

C36H60O9: 636.423

[α]D21 + 30.1° (c 0.1, MeOH) [1]

HR-FAB-MSm/z: 659.4135 [M + Na]+ [1]

1H NMR ( 500 MHz, J/Hz, C5D5N): 1.13, 1.24, 1.33, 1.36, 1.45, 1.59, 1.61, 1.66 (s, CH3-30, 19, 18, 29, 28, 26, 27, 21), 3.50 (dd, J = 4.5, 11.5, H-3), 4.15 (m, H-12), 4.74 (brs, H-7), 5.27 (dd, H-24), 5.93 (d, J = 1.5, H-6)

β-D-Glcp: 5.23 (d, J = 7.5, H-1), 4.05 (t, J = 8.0, H-2), 4.27 (t, J = 9.0, H-3), 4.14 (t like, J = 9.0, H-4), 4.02 (m, H-5), 4.35 (dd, J = 5.5, 11.5, H-6), 4.52 (dd, J = 2.0, 11.5, H-6) [1]

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

Table 1

C-1

39.8

C-16

28.4

Glc-1

98.4

2

27.2

17

51.1

2

75.2

3

77.6

18

10.8

3

79.3

4

42.7

19

20.4

4

71.7

5

147.5

20

83.5

5

78.4

6

127.4

21

22.5

6

62.9

7

71.2

22

36.5

   

8

42.4

23

23.3

   

9

47.5

24

126.0

   

References

  1. 1.
    D.-Q. Dou, Y.-J. Chen, L.-H. Liang, F.-G. Pang, N. Shimizu, T. Takeda, Chem. Pharm. Bull. 49(4), 442 (2001)CrossRefGoogle Scholar

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