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Scoparianoside A

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 22α-Hydroxy-oleanolic Acid

Biological source: Kochia scoparia [1]

C41H64O14: 780.429

Mp: 204–206°C [1]

[α]D24 + 17.1° (c 1.7, MeOH) [1]

IR (KBr) νmax cm−1: 3438, 2926, 2887, 1726, 1719, 1655, 1036 [1]

FAB-MS (negative ion mode) m/z: 779 (M-H), 647 (M-C5H9O4), 471 (M-C11H17O10) [1]

HR-FAB-MS (positive ion mode) m/z: 803.4191 (M + Na)+ [1]

1H NMR (500 MHz, J/Hz, C5D5N): 0.79, 0.99, 1.03, 1.03, 1.13, 1.32, 1.38 (s, CH3-25, 24, 26, 29, 30, 23, 27), 3.36 (m, H-3, 18), 4.57 (m, H-22), 5.47 (brs, H-12)

β-D-GlcUAp: 5.05 (d, J = 7.7, H-1)

β-D-Xylp: 5.38 (d, J = 7.2, H-1) [1]

13 C NMR (125 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.4

C-16

16.8

GlcUA-1

106.8

2

26.4

17

53.0

2

74.5

3

89.1

18

43.4

3

86.3

4

39.4

19

45.8

4

71.4

5

55.5

20

31.4

5

77.4

6

18.3

21

43.1

6

172.1

7

32.9

22

71.3

Xyl-1

106.1

8

39.8

23

27.9

2

75.2

9

47.8

24

16.8

3

77.9

10

36.8

25

15.2

4

70.8...

References

  1. 1.
    M. Yoshikawa, H. Shimada, T. Morikawa, S. Yoshizumi, N. Matsumura, T. Murakami, H. Matsuda, K. Hori, J. Yamahara, Chem. Pharm. Bull. 45(8), 1300 (1997)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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