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Gongganoside D

Reference work entry

CAS Registry Number: 164269-12-9 Open image in new window

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

Biological source: Bhesa paniculata [1]

C48H78O18: 942.518

[α]D23−17.0° (c 1.1, MeOH) [1]

IR (KBr) νmax cm−1: 3400, 2934, 1696, 1652, 1453, 1076 [1]

FAB-MSm/z: 965.5062 [M + Na]+; 941 [M-H], 795, 633, 471 [1]

1H NMR (J/Hz, CD3OD): 0.79 (s, CH3-26), 0.87 (s, CH3-24), 0.93 (d, J = 6.7, CH3-30), 0.95 (s, CH3-25), 1.11 (s, CH3-23), 1.18 (CH3-29), 1.33 (CH3-27), 2.49 (s, H-18), 5.28 (brs, H-12)

β-D-Glcp: 4.40 (d, J = 7.7, H-1)

α-L-Rhap: 5.17 (brs, H-1) [1]

13 C NMR (CD 3OD): [ 1]

Table 1

C-1

39.7

C-16

26.6

Glc-1

105.7

Rha-1

101.9

2

27.0

17

49.8

2

78.1

2

72.1

3

92.2

18

55.0

3

78.8

3

72.1

4

40.4

19

73.5

4

72.0

4

74.1

5

56.9

20

43.0

5

77.7

5

69.4

6

19.4

21

27.2

6

62.8

6

18.3

7

34.1

22

38.9

Glc′-1

102.0

   

8

41.0

23

28.7

2

79.5

   

9

48.9

24

16.8

3

79.2

   

10

37.8

25

15.9

4

72.6

   

11

24.7

26

17.5

5

78.1...

References

  1. 1.
    K. Ohashi, T. Tanikawa, Y. Okumura, K. Kawazoe, N. Tatara, M. Minato, H. Shibuya, I. Kitagawa, Chem. Pharm. Bull. 42(9), 1791 (1994)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

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