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Abrisaponin Ca

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

Biological source: Abrus cantoniensis [1]

C48H78O18: 942.518

[α]D27 −6.10 (c 0.38, C5H5N) [1]

FAB-MSm/z: 941 [M-H], 795 [M-H-Rha], 633 [M-H-Rha-Gal] [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.86, 1.00, 1.20, 1.26, 1.29, 1.30, 1.43, 1.45 (s, CH3 × 8), 1.78 (d, J = 5.9, CH3-6 of Rha), 5.08 (d, J = 7.0, H-1 of GlcUA), 5.78 (d, J = 7.7, 1-H of Gal), 6.34 (s, H-1 of Rha) [1]

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

Table 1

C-1

38.8

C-16

27.4

GlcUA-1

105.3

Rha-1

102.7

2

26.5

17

39.1

2

79.2

2

72.4

3

89.9

18

43.9

3

76.6

3

72.7

4

39.7

19

47.2

4

73.5

4

74.4

5

55.8

20

36.5

5

77.4

5

69.4

6

18.4

21

74.6

6

172.6

6

18.9

7

32.8

22

79.6

Gal-1

102.1

   

8

40.2

23

28.4

2

78.8

   

9

47.8

24

16.8

3

76.2

   

10

36.8

25

15.6

4

70.5

   

11

23.8

26

17.0

5

76.2

   

12

122.6

27

26.6

6

61.9

   

13

144.5

28

22.2

       

14

42.0

29

31.5

       

15

26.5

30

21.3

       

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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