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Mussaendoside S

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Gypsogenic Acid

Biological source: Mussaenda pubescens [1]

C42H66O15: 810.440

[α]D16 + 53.3° (c 0.12, C5D5N) [1]

FAB-MSm/z: 810 [M]+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.71, 0.85, 0.93, 1.11, 1.20 (s, CH3 × 5), 3.34 (dd, J = 12.5, 4.3, H-3), 5.99 (brs, H-12)

β-D-Glcp: 4.75 (d, J = 6.3, H-1); β-D-Glcp′: 6.38 (d, J = 7.8, H-1) [1]

13 C NMR (75 MHz, C 5D 5N): [ 1]

Table 1

C-1

39.2

C-16

25.0

Glc-1

106.9

2

25.5

17

48.2

2

75.9

3

89.0

18

44.3

3

79.4

4

39.6

19

44.1

4

72.1

5

56.1

20

31.0

5

78.9

6

18.8

21

34.1

6

63.2

7

37.5

22

32.4

Glc′-1

95.9

8

40.3

23

28.3

2

74.4

9

47.8

24

16.7

3

79.1

10

37.3

25

17.3

4

71.5

11

23.7

26

19.1

5

78.2

12

126.7

27

178.7

6

62.6

13

137.6

28

176.8

   

14

56.9

29

33.3

   

15

26.9

30

24.0

   

References

  1. 1.
    W. Zhao, J. Xu, G. Qin, R. Xu, Phytochemistry 39, 191 (1995)CrossRefGoogle Scholar

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