Abrisaponin So1

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

Biological source: Abrus cantoniensis [1]

C54H88O22: 1088.576

[α]D27 + 6.0° (c 0.32, MeOH–H2O (1:1)) [1]

FAB-MSm/z: 1087 [M-H], 941 [M-H-Rha], 925 [M-H-Glc], 779 [925-Rha] [1]

HR-FAB-MSm/z: 1133.5468 [M + 2Na]+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.87 (s, CH3-25), 0.99 (s, CH3-29), 1.00 (s, CH3-26), 1.18 (s, CH3-24), 1.21 (s, CH3-28), 1.27 (s, CH3-27), 1.27 (s, CH3-30), 1.40 (s, CH3-23), 3.30 (dd, J = 4.3, 11.6, H-3), 3.72 (brs, H-22), 5.31 (s, H-12)

β-D-GlcUAp: 5.02 (d, J = 7.3, H-1, 4.49 (t, J = 7.3, H-2)

β-D-Galp: 5.67 (d, J = 7.9, H-1), 4.63 (H-2), 4.16 (dd, J = 3.1, 9.8, H-3)

α-L-Rhap: 1.73 (d, J = 6.1, CH3-6)

β-D-Glcp: 5.07 (d, J = 7.9, H-1) [1]

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

Table 1

C-1

38.9

C-16

28.7

GlcUA-1

105.4

Rha-1

102.4

2

26.5

17

38.0

2

78.7

2

72.4

3

90.1

18

45.3

3

76.0

3

72.7

4

39.7

19

46.8

4

73.5

4

74.4

5

55.9

20

30.9...

References

  1. 1.
    H. Miyao, Y. Sakai, T. Takeshita, Y. Ito, J. Kinjo, T. Nohara, Chem. Pharm. Bull. 44(6), 1228 (1996)CrossRefGoogle Scholar

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