Advertisement

Mussaendoside R

Reference work entry

CAS Registry Number: 165198-40-3 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – Pomolic Acid

Biological source: Mussaenda pubescens [1]

C42H68O14: 796.460

[α]D16 + 4.6° (c 0.13, C5D5N) [1]

FAB-MSm/z: 794 [M-H-H]+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.87, 1.00, 1.18, 1.29, 1.40 (s, CH3 × 5), 1.06 (d, J = 6.5, CH3-30), 1.70 (s, CH3-29), 2.93 (brs, H-18), 3.37 (dd, J = 11.5, 4.1, H-3), 5.55 (brs, H-12)

β-D-Glcp: 4.94 (d, J = 7.8, H-1); β-D-Glcp′: 6.32 (d, J = 8.1, H-1) [1]

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

Table 1

C-1

38.7

C-16

26.0

Glc-1

106.8

2

26.5

17

48.5

2

75.6

3

88.9

18

54.3

3

79.1

4

39.4

19

72.5

4

71.7

5

55.8

20

42.0

5

78.6

6

18.5

21

26.5

6

62.9

7

33.4

22

37.6

Glc′-1

95.7

8

40.4

23

28.1

2

73.9

9

47.6

24

15.5

3

78.7

10

36.8

25

17.3

4

71.1

11

23.9

26

16.6

5

78.1

12

128.3

27

24.5

6

62.2

13

139.1

28

176.9

   

14

42.0

29

26.9

   

15

29.1

30

16.9

   

References

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

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations