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Trachelosperoside D-2

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Trachelosperogenin D

Biological source: Trachelospermum asiaticum [1]

C43H68O18: 872.440

[α]D31 + 3.6° (c 0.95, MeOH) [1]

FAB-MS: m/z 895 (M + Na)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N) (Me ester): 5.49 (brs, H-12), 3.53 (brs, H-18), 3.58 (brd, J = 6.0, Hβ-19), 6.09 (d, J = 6.0, HO-19), 3.91 (s, COOMe), 0.99, 1.15, 1.18, 1.23, 1.60 (s, CH3 × 5)

β-D-Glcp: 4.95 (d, J = 8.0, H-1)

β-D-Glcp′: 6.37 (d, J = 8.0, H-1) [1]

13 C NMR (400 MHz, C 5D 5N): [ 1]

Table 1

C-1

47.3

C-16

27.9

Glc-1

105.8

2

66.4

17

46.4

2

74.8

3

92.0

18

44.6

3

78.7

4

59.2

19

80.9

4

71.5

5

53.3

20

35.5

5

78.3

6

22.7

21

28.9

6

62.5

7

33.5

22

33.0

Glc′-1

95.8

8

40.3

23

176.3

2

74.1

9

48.6

24

62.0

3

78.9

10

38.2

25

16.5

4

71.1

11

24.4

26

17.1

5

79.3

12

123.3

27

24.7

6

62.2

13

144.3

28

177.1

   

14

42.0

29

28.7

   

15

29.0

30

24.6

   
   

OMe

52.1

   

References

  1. 1.
    F. Abe, T. Yamauchi, Chem. Pharm. Bull. 35, 1833 (1987)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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