Advertisement

Wistariasaponin A2

Reference work entry

CAS Registry Number: 167324-12-1 Open image in new window

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

Biological source: Wisteria brachybotrys [1]

C53H84O23: 1088.540

[α]D −12.3° (c 0.3, MeOH) [1]

IR (KBr) νmax cm−1: 3400, 1695 [1]

FAB-MSm/z: 1087 [M-H], 941 [M-H-Rha], 809 [M-H-Rha-Xyl], 471 [M-H-Rha-Gal-GlcUA] [1]

HR-FAB-MSm/z: 1111.5267 [M + Na]+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.74, 0.86, 1.10, 1.14, 1.27, 1.55 (s, CH3 × 6), 5.40 (s, H-12), 6.37 (H-1 of Rha), 1.82 (d, J = 6.4, CH3-6 of Rha) [1]

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

Table 1

C-1

38.7

C-16

27.0

GlcUA-1

105.1

Rha-1

102.3

2

26.5

17

47.6

2

78.7

2

72.3

3

90.9

18

46.7

3

77.4

3

72.6

4

44.2

19

42.5

4

73.8

4

74.3

5

56.2

20

37.9

5

77.6

5

69.3

6

18.5

21

46.7

6

172.4

6

18.8

7

33.0

22

216.0

Xyl-1

102.4

Glc-1

105.4

8

39.7

23

22.9

2

79.3

2

75.0

9

47.4

24

62.7

3

77.8

3

78.3

10

36.4

25

15.4

4

70.8

4

71.5

11

23.8

26

16.7

5

66.7

5

78.5

12

124.1

27...

References

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

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations