Advertisement

Trachelosperoside F-2

Reference work entry

Open image in new window

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

Biological source: Trachelospermum asiaticum [1]

C43H68O17: 856.445

[α]D25 + 0.8° (c 0.52, MeOH) [1]

FAB-MSm/z: 879 (M + Na)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N) (Me ester): 5.48 (brs, H-12), 3.52 (brs, H-18), 3.57 (brt, J = 6.0, Hβ-19), 6.04 (d, J = 6.0, HO-19), 3.88 (s, COOMe), 0.98, 1.00, 1.12, 1.15, 1.50, 1.58 (s, CH3 × 6)

β-D-Glcp: 4.88 (d, J = 8.0, H-1)

β-D-Glcp′: 6.36 (d, J = 8.0, H-1) [1]

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

Table 1

C-1

47.0

C-16

27.9

Glc-1

106.1

2

66.6

17

46.4

2

74.7

3

92.3

18

44.5

3

78.5

4

54.6

19

80.9

4

71.4

5

52.6

20

35.5

5

78.4

6

20.9

21

28.9

6

62.5

7

33.0

22

32.7

Glc′-1

95.8

8

40.2

23

177.1

2

74.1

9

48.5

24

13.5

3

78.9

10

38.1

25

17.4

4

71.1

11

24.1

26

17.2

5

79.2

12

123.3

27

24.8

6

62.2

13

144.3

28

177.3

   

14

42.1

29

28.7

   

15

28.9

30

24.6

   
   

OMe

52.2

   

References

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

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations