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Abrisaponin L

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Abrisapogenol L

Biological source: Abrus cantoniensis [1]

C48H78O20: 974.508

[α]D27−7.21° (c 0.32, C5H5N-H2O (9:1)) [1]

FAB-MS (negative ion mode) m/z: 973 [M-H], 827 [M-H-Rha], 665 [M-H-Rha-Gal]

1H NMR (400 MHz, J/Hz, C5D5N): 0.65, 0.89, 1.26, 1.29, 1.42, 1.42 (s, CH3 × 6), 5.38 (s, H-12), 1.80 (d, J = 6.2, CH3-6 of Rha), 4.95 (d, J = 6.2, H-1 of GlcUA), 5.57 (d, J = 7.3, H-1 of Gal), 6.09 (s, H-1 of Rha) [1]

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

Table 1

C-1

38.8

C-16

27.5

GlcUA-1

105.0

Rha-1

102.1

2

26.6

17

39.5

2

78.1

2

72.1

3

91.5

18

44.1

3

76.8

3

72.1

4

44.0

19

43.3

4

73.9

4

74.0

5

56.2

20

40.7

5

76.9

5

69.4

6

18.8

21

75.9

6

176.2

6

18.8

7

33.0

22

79.1

Gal-1

101.8

   

8

40.2

23

23.0

2

77.3

   

9

47.8

24

63.5

3

76.0

   

10

36.5

25

15.8

4

71.0

   

11

24.1

26

16.9

5

76.4

   

12

123.2

27

26.8

6

61.8

   

13

144.2

28

22.4

       

14

42.1

29

26.9...

References

  1. 1.
    H. Miyao, Y. Sakai, T. Takeshita, J. Kinjo, T. Nohara, Chem. Pharm. Bull. 44(6), 1222 (1996)CrossRefGoogle Scholar

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