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Wistariasaponin B3

Reference work entry

CAS Registry Number: 167324-11-0 Open image in new window

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

Biological source: Wisteria brachybotrys [1]

C53H86O23: 1090.555

[α]D28 −2.0° (c 0.34, MeOH) [1]

IR (KBr) νmax cm−1: 3405, 1725 [1]

FAB-MSm/z: 1089 [M-H], 943 [M-H-Rha], 811 [M-H-Rha-Xyl], 635 [M-H-Rha-Xyl-GlcUA] [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.74, 0.95, 1.18, 1.22, 1.30, 1.50 (s, CH3 × 6), 5.37 (s, H-12)

α-L-Rhap: 6.33 (brs, H-1), 1.80 (d, J = 5.0, CH3-6) [1]

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

Table 1

C-1

38.6

C-16

27.9

GlcUA-1

105.0

Rha-1

101.9

2

26.2

17

37.7

2

78.4

2

72.1

3

90.8

18

44.3

3

77.0

3

72.4

4

44.1

19

42.1

4

73.7

4

74.1

5

56.1

20

34.8

5

77.6

5

69.1

6

18.4

21

36.9

6

173.7

6

18.7

7

33.0

22

75.2

Xyl-1

102.3

Glc-1

105.5

8

39.8

23

22.8

2

79.2

2

75.2

9

47.5

24

62.7

3

78.2

3

78.2

10

36.3

25

15.4

4

70.6

4

71.4

11

23.8

26

16.8

5

66.6

5

78.4

12

122.7

27

25.9

   

6

62.5

13

144.2

28

21.1

 

References

  1. 1.
    J. Kinjo, Y. Fujishima, K. Saino, R.-H. Tian, T. Nohara, Chem. Pharm. Bull. 43(4), 636 (1995)CrossRefGoogle Scholar

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