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Arvenin I

Reference work entry

CAS Registry Number: 65247-27-0 Open image in new window

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

Biological source: Anagallis arvensis [1]

C38H56O13: 720.372

Mp: 141–146°C [1]

[α]D20 + 40.6° (c 1.6, EtOH) [1]

UV λmaxEtOH nm (ε): 228 (10900) [1]

IR (KBr) νmax cm−1: 3400, 1720, 1690, 1630 [1]

1H NMR (100 MHz, J/Hz, CDCl3): 5.75 (m, H-6), 0.96 (CH3-18), 1.07 (CH3-19), 1.27 (CH3-26, 27), 6.52 (d, J = 16, H-23), 7.02 (d, J = 16, H-24), 1.35 (CH3-28), 1.56 (CH3-21), 1.44 (CH3-29), 1.54 (CH3-30), 2.02 (CH3COO) [1]

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

Table 1

C-1

35.0

C-16

70.8

Glc-1

104.0

2

78.2

17

59.6

2

75.6

3

211.3

18

21.8

3

78.2

4

48.5

19

20.4

4

71.4

5

140.8

20

79.8

5

78.2

6

120.4

21

19.9

6

62.6

7

24.2

22

204.0

   

8

42.9

23

122.5

   

9

48.9

24

150.0

   

10

34.4

25

79.8

   

11

212.7

26

26.3

   

12

49.1

27

26.6

   

13

51.0

28

25.3

   

14

51.5

29

28.7

   

15

46.1

30

18.9

   
   

OCOCH3

169.7

   

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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© Springer Science+Business Media New York 2013

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