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Mussaendoside V

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – 3β,19α-Dihydroxy-urs-12-en-24,28-dioic Acid

Biological source: Mussaenda pubescens [1]

C42H66O16: 826.435

[α]D25−22.8° (c 0.26, CH3OH) [1]

FAB-MS (positive ion mode) m/z: 850 [M + Na]+ [1]

FAB-MS (negative ion mode) m/z: 826 [M-H], 633 [M-Glc-H], 501 [M-Glc-Glc-H] [1]

1H NMR (200 MHz, J/Hz, C5D5N): 6.35 (d, J = 7.6), 6.26 (d, J = 7.4), 5.22 (brs), 3.40 (dd, J = 11.2, 4.0), 2.94 (brs), 1.77, 1.71, 1.42, 1.27, 1.27 (s, CH3 × 5), 1.08 (d, J = 6.4, CH3) [1]

13 C NMR (50 MHz, C 5D 5N): [ 1]

Table 1

C-1

39.9

C-16

26.3

Glc-1

95.7

2

28.8

17

48.7

2

74.0

3

78.3

18

54.5

3

79.1

4

50.1

19

72.5

4

71.2

5

57.4

20

42.1

5

78.7

6

20.8

21

27.0

6

62.3

7

33.8

22

37.7

Glc′-1

95.7

8

40.4

23

24.5

2

74.0

9

47.3

24

176.1

3

79.1

10

37.9

25

14.2

4

71.0

11

24.3

26

17.2

5

78.7

12

128.3

27

24.7

6

62.2

13

139.0

28

176.8

   

14

42.3

29

27.0

   

15

29.2

30

16.7

   

References

  1. 1.
    W. Zhao, J.-L. Wolfender, K. Hostettmann, K. Cheng, R. Xu, G. Qin, Phytochemistry 45, 1073 (1997)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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