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Notoginsenoside E

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 25-Hydroperoxy-dammar-23-en-3β,12β,20(S)-triol

Biological source: Panax notoginseng [1]

C48H82O20: 978.539

Mp: 202–204°C (aq. MeOH) [1]

[α]D24 + 19.2° (c 0.1, MeOH) [1]

IR (KBr) νmax cm−1: 3432, 1638, 1078 [1]

FAB-MS (negative ion mode) m/z: 977 (M-H) [1]

FAB-MS (positive ion mode) m/z: 1001.5297 (M + Na)+ [1]

1H NMR (J/Hz, C5D5N): 0.83, 0.89, 1.00, 1.12, 1.30, 1.58, 1.59, 1.61 (s, CH3-19, 30, 18, 29, 28, 26, 27, 21), 3.26 (dd-like, H-3), 4.01 (m, H-12), 6.07 (d, J = 15.0, H-24), 6.16 (m, H-23)

β-D-Glcp: 4.95 (d, J = 7.0, H-1); β-D-Glcp′: 5.39 (d, J = 6.7, H-1); β-D-Glcp″: 5.22 (d, J = 7.6, H-1) [1]

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

Table 1

C-1

39.0

C-18

15.8

Glc-1

105.0

Glc″-1

98.2

2

26.5

19

16.1

2

83.0

2

75.2

3

88.9

20

83.3

3

78.1

3

78.6

4

39.6

21

23.2

4

71.5

4

71.4

5

56.3

22

39.5

5

78.1

5

78.0

6

18.3

23

126.3

6

62.8

6

62.8

7

35.0

24

138.0...

References

  1. 1.
    M. Yoshikawa, T. Murakami, T. Ueno, N. Hirokawa, K. Yashiro, N. Murakami, J. Yamahara, H. Matsuda, R. Saijoh, O. Tanaka, Chem. Pharm. Bull. 45 (6), 1056 (1997)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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