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Trachelosperoside C-1

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – 2α,3β,19α,24-Tetrahydroxy-urs-12-en-23,28-dioic Acid

Biological source: Trachelospermum asiaticum [1]

C36H56O13: 696.372

Mp: 235–250°C [1]

[α]D18 + 22.7° (c 0.60, MeOH) [1]

FAB-MSm/z: 719 (M + Na)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 5.51 (brs, H-12), 2.92 (s, H-18), 1.23, 1.29, 1.38, 1.60 (s, CH3 × 4), 1.07 (d, J = 7.0, CH3-30)

β-D-Glcp: 6.29 (d, J = 8.0, H-1) [1]

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

Table 1

C-1

48.6

C-16

26.1

Glc-1

95.9

2

68.6

17

48.6

2

74.1

3

82.2

18

54.4

3

78.9

4

58.6

19

72.7

4

71.2

5

53.0

20

42.0

5

79.3

6

22.7

21

27.0

6

62.3

7

33.9

22

37.7

   

8

40.8

23

179.1

   

9

48.4

24

63.0

   

10

38.7

25

17.2

   

11

24.4

26

17.5

   

12

128.1

27

24.4

   

13

139.2

28

176.9

   

14

42.0

29

27.0

   

15

29.2

30

16.8

   

References

  1. 1.
    F. Abe, T. Yamauchi, Chem. Pharm. Bull. 35(5), 1748 (1987)CrossRefGoogle Scholar

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