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Abrisaponin A

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

Biological source: Abrus cantoniensis [1]

C48H76O18: 940.503

[α]D27 + 0.1° (c 0.53, C5H5N-H2O (1:1)) [1]

FAB-MS (negative ion mode) m/z: 941 [M-H], 633 [M-H-Rha-Gal]- [1]

HR-FAB-MSm/z: 987.4904 [M-H + 2Na]+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.88, 0.94, 1.20, 1.20, 1.22, 1.32, 1.36 (s, CH3 × 7), 1.77 (d, J = 6.1, CH3-6 of Rha), 4.86 (d, J = 6.7, H-1 of GlcUA), 5.29 (s, H-12), 5.41 (d, J = 7.3, H-1 of Gal), 6.07 (s, H-1 of Rha) [1]

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

Table 1

C-1

39.1

C-16

29.2

GlcUA-1

104.8

Rha-1

102.4

2

26.4

17

38.3

2

78.3

2

71.9

3

91.4

18

45.2

3

76.7

3

71.9

4

39.9

19

41.5

4

73.6

4

73.7

5

56.1

20

36.3

5

77.1

5

69.4

6

18.5

21

36.6

6

176.7

6

18.5

7

33.4

22

75.5

Gal-1

101.7

   

8

39.9

23

28.4

2

78.1

   

9

48.1

24

16.8

3

75.9

   

10

36.9

25

15.8

4

70.5

   

11

23.9

26

17.4

5

76.6

   

12

122.9

27

25.4

6

62.8

   

13

144.8

28

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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© Springer Science+Business Media New York 2013

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