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Trachelosperoside E-1

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

Biological source: Trachelospermum asiaticum [1]

C36H58O12: 682.392

[α]D31 + 15.5° (c 0.60, MeOH) [1]

FAB-MSm/z: 705 (M + Na)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 5.50 (brs, H-12), 3.52 (brs, H-18), 3.56 (brt, J = 5.0, Hβ-19), 6.00 (d, J = 5.0, HO-19), 4.01, 4.64 (d, J = 11.0, H2-23), 4.27, 4.89 (d, J = 11.0, H2-24), 0.98, 1.14, 1.18, 1.20, 1.56 (s, CH3 × 5)

β-D-Glcp: 6.39 (d, J = 8.0, H-1) [1]

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

Table 1

C-1

47.6

C-16

28.0

Glc-1

95.8

2

69.0

17

46.4

2

74.1

3

79.8

18

44.6

3

78.9

4

47.9

19

81.0

4

71.1

5

48.6

20

35.5

5

79.2

6

19.4

21

28.9

6

62.2

7

33.3

22

33.0

   

8

40.3

23

64.3

   

9

48.4

24

62.9

   

10

38.3

25

17.5

   

11

24.5

26

17.2

   

12

123.5

27

24.8

   

13

144.3

28

177.1

   

14

42.1

29

28.7

   

15

29.0

30

24.6

   

References

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

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