24(R)-Pseudoginsenoside RT2

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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 pseudoginseng var. elegantior, P. japonicus [1], P. pseudoginseng subsp. himalaicus [2]

C41H70O14: 786.476

[α]D15 + 9.4° (c 0.62, MeOH) [1]

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

Table 1

C-1

39.6

C-16

25.4

Glc-1

103.5

2

27.8

17

49.5

2

79.9

3

78.8

18

17.8

3

78.8

4

40.2

19

17.0

4

71.3

5

61.5

20

86.7

5

80.4

6

79.4

21

26.9

6

63.0

7

44.9

22

32.7

Xyl-1

104.9

8

41.0

23

28.8

2

75.9

9

50.5

24

85.6

3

78.1

10

39.6

25

70.3

4

71.8

11

32.4

26

27.1

5

67.3

12

71.2

27

27.7

   

13

48.4

28

31.7

   

14

52.2

29

16.6

   

15

31.7

30

18.1

   

References

  1. 1.
    T. Morita, Y.-C. Kong, P.-H. Paul, P.-P. But, K.-H. Ng, T.-T. Yip, R. Kasai, O. Tanaka, Chem. Pharm. Bull. 34(10), 4368 (1986)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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