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Chilianoside K

Reference work entry

CAS Registry Number: 222541-65-3 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 1β,2α,3β,20(R),25-Pentahydroxy-dammar-23-ene

Biological source: Rhoiptelea chiliantha [1]

C36H62O10: 654.434

[α]D15 + 10.3° (c 0.2, MeOH) [1]

FAB-MSm/z: 653 (M-H) [1]

1H NMR (300 MHz, J/Hz, CD3OD): 0.89, 0.90, 0.98, 1.00, 1.08, 1.08, 1.27, 1.27 (s, CH3-30, 29, 28, 21, 19, 18, 26, 27), 3.05 (d, J = 9.0, H-3), 3.16 (d, J = 9.0, H-1), 3.51 (t, J = 9.0, H-2), 5.59 (d, J = 16.0, H-24), 5.71 (dt, J = 16.0, 7.0, H-23)

β-D-Glcp: 4.33 (d, J = 8.0, H-1), 3.88 (dd, J = 2.0, 12.0, Ha-6), 3.66 (dd, J = 5.0, 12.0, Hb-6) [1]

13 C NMR (75 MHz, CD 3OD): [ 1]

Table 1

C-1

84.7

C-16

26.0

Glc-1

106.2

2

73.2

17

50.9

2

75.5

3

92.6

18

16.4

3

78.1

4

41.1

19

14.5

4

71.4

5

54.5

20

76.5

5

78.2

6

18.1

21

23.8

6

62.5

7

36.3

22

45.9

   

8

42.3

23

123.8

   

9

53.3

24

142.1

   

10

44.3

25

71.2

   

11

25.2

26

29.9

   

12

28.8

27

30.0

   

13...

References

  1. 1.
    Z.-H. Jiang, R. Fukuoka, F. Aoki, T. Tanaka, I. Kouno, Chem. Pharm. Bull. 47, 257 (1999)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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