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Kaikasaponin III

Reference work entry

CAS Registry Number: 115330-90-0 Open image in new window

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

Biological source: Abrus cantoniensis [1], Sophora japonica [2], Crotalaria albida [3], Pueraria lobata [4], Dalbergia hupeana [5], Abrus precatorius [6]

C48H78O17: 926.523

[α]D27−6.7° (c 0.32, C5H5N) [1]

IR (KBr) νmax cm−1: 3413, 1724 [1]

FAB-MSm/z: 925 (M-H), 779 [M-H-Rha], 617 [M-H-Rha-Gal] [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.87, 1.01, 1.01, 1.21, 1.24, 1.28, 1.30, 1.43 (s, CH3 × 8), 5.32 (s, H-12)

α-L-Rhap: 6.34 (s, H-1), 1.78 (d, J = 6.2, CH3-6)

β-D-GlcUAp: 5.08 (d, J = 7.9, H-1)

β-D-Galp: 5.75 (d, J = 7.7, H-1) [1]

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

Table 1

C-1

38.8

C-16

28.6

GlcUA-1

105.3

Rha-1

102.7

2

26.4

17

38.0

2

79.1

2

72.4

3

89.9

18

45.2

3

76.6

3

72.7

4

39.7

19

46.7

4

73.5

4

74.4

5

55.8

20

30.9

5

77.5

5

69.5

6

18.5

21

42.3

6

172.7

6

18.9

7

33.3

22

75.5

Gal-1

102.1

   

8

40.0

23

28.6

2

78.8

References

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