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Kalopanax-Saponin Lc

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]

C46H74O17: 898.492

[α]D20 + 45.6° (c 0.4, MeOH) [1]

FAB-MSm/z: 921 (M + Na)+, 899 (M + H)+, 767 (M + H-Xyl)+, 621 (M + H-Xyl-Rha)+, 489 (621-Ara)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 5.38 (t-like, H-12), 1.06, 1.03, 0.97, 1.27, 0.92, 0.97 (s, CH3-24, 25, 26, 27, 29, 30) [1]

α-L-Arap: 5.01 (d, J = 7.0, H-1)

α-L-Rhap: 5.98 (s, H-1); 1.66 (d, J = 6.0, CH3-6)

β-D-Xylp: 5.12 (d, J = 7.0, H-1) [1]

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

Table 1

C-1

39.23

C-16

17.49

Ara-1

104.25

2

26.37

17

53.17

2

75.88

3

81.44

18

43.67

3

74.32

4

42.89

19

46.70

4

69.16

5

48.01

20

31.58

5

65.36

6

18.47

21

43.77

Rha-1

101.52

7

33.04

22

71.94

2

71.94

8

40.16

23

64.53

3

83.10

9

48.39

24

14.04

4

73.01

10

37.14

25

16.28

5

69.79

11

23.93

26

17.79

6

18.47

12

122.62

27

26.66

Xylp-1

107.17

13

144.51

28

180.05

2

75.54...

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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© Springer Science+Business Media New York 2013

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