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Chikusetsusaponin LT5

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 12-Oxo-dammar-24-en-3β,20(S)-diol

Biological source: Panax japonicus [1]

C48H80O18: 944.534

Mp: 265–270°C (H2O) [1]

[α]D25 + 4.5° (c 0.53, MeOH) [1]

CD (c 0.09, MeOH) [θ]nm17: −3683(284) negative max [1]

13 C NMR (25 MHz, C 5D 5N): [ 1]

Table 1

C-1

40.4

C-16

24.4

Glc-1

106.4

Glc″-1

105.0

2

26.3

17

42.6

2

75.2

2

74.7

3

88.5

18

17.8

3

78.3

3

77.8

4

39.4

19

17.0

4

71.6

4

71.6

5

56.3

20

81.4

5

77.8

5

77.8

6

18.4

21

22.2

6

62.7

6

62.7

7

34.7

22

39.0

Glc′-1

98.2

   

8

40.9

23

23.9

2

75.2

   

9

56.1

24

125.8

3

77.8

   

10

37.5

25

130.7

4

71.6

   

11

40.0

26

25.6

5

76.3

   

12

210.8

27

16.5

6

70.3

   

13

54.8

28

28.0

       

14

56.1

29

16.1

       

15

32.2

30

15.9

       

References

  1. 1.
    S. Yahara, O. Tanaka, J. Nishioka, Chem. Pharm. Bull. 26(10), 3010 (1978)CrossRefGoogle Scholar

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