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Pseudoginsenoside RT4

Reference work entry

CAS Registry Number: 98474-77-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 20(S),24(R)-Epoxy-dammar-3β,6α,12β,25-tetraol

Biological source: Panax vietnamensis [1], P. pseudoginseng subsp. himalaicus [2]

C36H62O10: 654.434

Mp: 247–249°C (MeOH-H2O) [2]

[α]D25 + 14.4° (c 1.00, MeOH) [2]

13 C NMR (25 MHz, C 5D 5N): [ 2]

Table 1

C-1

39.6

C-16

25.8

Glc-1

106.0

2

28.0

17

49.6

2

75.5

3

78.2

18

17.8

3

80.2

4

40.4

19

17.2

4

71.9

5

61.6

20

87.1

5

79.7

6

78.6

21

27.0

6

63.2

7

45.2

22

32.7

   

8

41.1

23

28.7

   

9

50.4

24

88.4

   

10

39.7

25

70.0

   

11

32.5

26

26.6

   

12

70.9

27

29.0

   

13

49.2

28

31.7

   

14

52.2

29

16.3

   

15

32.3

30

17.9

   

References

  1. 1.
    N.M. Duc, N.T. Nham, R. Kasai, A. Ito, K. Yamasaki, O. Tanaka, Chem. Pharm. Bull. 41(11), 2010 (1993)CrossRefGoogle Scholar
  2. 2.
    O. Tanaka, T. Morita, R. Kasai, J. Kinouchi, S. Sanada, Y. Ida, J. Shoji, Chem. Pharm. Bull. 33(6), 2323 (1985)CrossRefGoogle Scholar

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