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Kalopanax-Saponin Lb

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 22α-Hydroxy-hederagenin

Biological source: Kalopanax septemlobus [1]

C41H66O13: 766.450

[α]D20 + 49.3° (c 0.55, MeOH) [1]

FAB-MSm/z: 789 (M + Na)+, 767 (M + H)+, 621 (M + H-Rha)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 5.48 (t-like, H-12), 1.12, 1.07, 1.07, 1.28, 0.94, 0.99 (s, CH3-24, 25, 26, 27, 29, 30)

α-L-Arap: 5.16 (d, J = 7.0, H-1)

α-L-Rhap: 6.27 (s, H-1); 1.64 (d, J = 6.0, CH3-6) [1]

13 C NMR (400 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.65

C-16

17.01

Ara-1

104.30

2

26.22

17

53.08

2

75.79

3

81.05

18

43.52

3

74.67

4

42.55

19

46.98

4

69.69

5

47.67

20

31.48

5

65.78

6

18.52

21

43.52

Rha-1

101.67

7

32.80

22

71.55

2

72.52

8

39.96

23

64.50

3

72.38

9

48.15

24

13.99

4

74.13

10

36.85

25

16.03

5

69.30

11

23.75

26

17.45

6

18.52

12

122.77

27

26.71

   

13

144.26

28

179.60

   

14

42.55

29

33.39

   

15

27.98

30

25.20

   

References

  1. 1.
    C.J. Shao, R. Kasai, K. Ohtani, J.D. Xu, O. Tanaka, Chem. Pharm. Bull. 37(12), 3251 (1989)CrossRefGoogle Scholar

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