Chebuloside II

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 2α,3β,6β,23-Tetrahydroxy-olean-12-en-28-oic Acid

Biological source: Combretum quadrangulare [1], Terminalia chebula [2]

C36H58O11: 666.397

Mp: 215°C (MeOH) [2]

[α]D + 25° (c 0.75, MeOH) [2]

IR (KBr) νmax cm−1: 3500–3200, 1730, 1635, 1450, 1060 [2]

LSI-MSm/z: 705 [M + K]+, 689 [M + Na]+ [2]

13 C NMR (100 MHz, C 5D 5N): [ 2]

Table 1

C-1

50.0

C-16

24.0

Glc-1

95.6

2

69.0

17

47.0

2

74.0

3

78.3

18

41.8

3

79.1

4

42.3

19

47.0

4

71.1

5

48.8

20

30.7

5

78.6

6

67.6

21

34.0

6

62.1

7

41.0

22

32.5

   

8

41.0

23

66.1

   

9

48.8

24

15.9

   

10

38.1

25

18.8

   

11

22.6

26

19.0

   

12

123.5

27

26.1

   

13

143.5

28

176.4

   

14

42.8

29

33.1

   

15

28.2

30

23.6

   

References

  1. 1.
    I.K. Adnyana, Y. Tezuka, S. Awale, A.H. Banskota, K.Q. Tran, S. Kadota, Chem. Pharm. Bull. 48, 1114 (2000)CrossRefGoogle Scholar
  2. 2.
    A.P. Kundu, S.B. Mahato, Phytochemistry 32(4), 999 (1993)CrossRefGoogle Scholar

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