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Rotundioside G

Reference work entry

CAS Registry Number: 100665-39-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Rotundiogenin A

Biological source: Bupleurum rotundifolium [1]

C47H76O16: 896.513

Mp: 192–195°C (MeOH–H2O) [1]

[α]D21 + 11.2° (c 0.8) [1]

1H NMR (100 MHz, J/Hz, C5D5N): 5.73 (d, H-12), 5.98 (d, J = 11.0, H-11)

β-D-Fucp: 4.03 (d, J = 8.0, H-1)

β-D-Glcp: 4.42 (d, J = 8.0, H-1)

β-D-Xylp: 4.74 (d, J = 8.0, H-1) [1]

13 C NMR (100 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.4

C-16

77.1

Fuc-1

104.9

Xyl-1

106.1

2

26.4

17

45.3

2

79.4

2

75.4

3

89.2

18

51.2

3

75.4

3

77.6

4

39.8

19

38.4

4

72.4

4

71.1

5

55.4

20

31.8

5

70.5

5

67.1

6

18.2

21

35.2

6

17.2

   

7

31.8

22

31.8

Glc-1

102.6

   

8

41.8

23

27.7

2

84.3

   

9

52.8

24

16.1

3

77.1

   

10

36.3

25

18.7

4

71.5

   

11

131.8

26

19.4

5

77.6

   

12

131.8

27

18.2

6

62.7

   

13

85.0

28

77.6

       

14

43.5

29

33.7

       

15

36.3

30

24.4

       

References

  1. 1.
    E. Akai, T. Takeda, Y. Kobayashi, Y. Chen, Y. Ogihara, Chem. Pharm. Bull. 33(11), 4685 (1985)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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