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Ilexoside XLVI

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Ilexosapogenin A

Biological source: Ilex rotunda Thunb. [1]

C42H66O16: 826.435

[α]D22 −0.6° (c 3.2, MeOH) [1]

FAB-MSm/z: 825 [M-H] [1]

EI-MSm/z: 470 (5), 442 (22), 370 (8), 264 (25), 246 (54), 224 (15), 218 (33), 206 (31), 201 (50), 175 (46), 146 (100) [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.95, 0.97, 0.98, 1.15, 1.15, 1.60 (s, CH3 × 6), 3.51 (brs, H-18), 3.55 (d, J = 2, H-19), 5.49 (brt, H-12)

β-D-GlcUAp: 5.29 (d, J = 8, H-1)

β-D-Glcp: 6.36 (d, J = 8, H-1) [1]

13 C NMR (100 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.5

C-16

29.1

GlcUA-1

106.3

2

26.1

17

46.5

2

75.5

3

82.1

18

44.6

3

78.0

4

43.6

19

81.0

4

73.5

5

48.4

20

35.6

5

78.1

6

18.4

21

29.0

6

172.9

7

32.9

22

33.1

Glc-1

95.9

8

40.3

23

64.5

2

74.1

9

47.7

24

13.6

3

79.0

10

37.1

25

16.1

4

71.1

11

24.2

26

17.7

5

79.3

12

123.4

27

24.7

6

62.2

13

144.4

28

177.3

   

14

42.1

29

28.8

   

15

28.0

30

25.0

   

References

  1. 1.
    K. Amimoto, K. Yoshikawa, S. Arihara, Chem. Pharm. Bull. 41(1), 77 (1993)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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