Arvenin III

Reference work entry

CAS Registry Number: 65597-45-7 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – Cucurbitacin D

Biological source: Anagallis arvensis [1]

C36H54O12: 678.361

Mp: 169–170°C [1]

[α]D + 16.7° (c 0.6, EtOH) [1]

UV λmaxEtOH nm (ε): 228 (8700) [1]

IR (KBr) νmax cm−1: 3370, 1720, 1690, 1630 [1]

1H NMR (100 MHz, J/Hz, CD3OD): 0.98 (s, CH3-18), 1.10 (s, CH3-19), 1.34 (CH3-21), 1.38 (s, CH3-26, 28, 29), 1.46 (s, CH3-27, 30), 5.85 (1H, m, H-6), 6.82 (d, J = 15, H-23), 6.97 (d, J = 15, H-24) [1]

13 C NMR (15 MHz, C 5D 5N): [ 1]

Table 1

C-1

35.0

C-16

70.5

Glc-1

104.1

2

78.0

17

59.0

2

75.6

3

211.3

18

21.8

3

78.3

4

48.7

19

20.3

4

71.5

5

140.9

20

79.1

5

78.3

6

120.5

21

19.9

6

62.7

7

24.2

22

204.0

   

8

42.8

23

120.8

   

9

48.9

24

155.5

   

10

34.4

25

70.3

   

11

212.6

26

29.7

   

12

49.2

27

29.7

   

13

51.1

28

25.4

   

14

51.5

29

28.9

   

15

46.7

30

18.9

   

References

  1. 1.
    Y. Yamada, K. Hagiwara, K. Iguchi, S. Suzuki, H.-Y. Hsu, Chem. Pharm. Bull. 26(10), 3107 (1978)CrossRefGoogle Scholar

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