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Arvenin II

Reference work entry

CAS Registry Number: 65247-28-1 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – 23,24-Dihydro-cucurbitacin B

Biological source: Anagallis arvensis [1]

C38H58O13: 722.387

Mp: 140–143°C [1]

[α]D20 + 31.7° (c 1.2, EtOH) [1]

IR (KBr) νmax cm−1: 3400, 1715, 1690 [1]

1H NMR (100 MHz, J/Hz, CDCl3): 5.75 (m, H-6), 0.97 (s, CH3-18), 1.08 (s, CH3-19), 1.30 (s, CH3-21, 27), 1.48 (s, CH3-26, 28, 29, 30), 1.99 (s, CH3COO) [1]

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

Table 1

C-1

35.4

C-16

70.4

Glc-1

103.9

2

78.1

17

58.9

2

75.5

3

211.1

18

21.7

3

78.1

4

48.6

19

20.1

4

71.4

5

140.7

20

80.0

5

78.1

6

120.4

21

19.9

6

62.6

7

24.2

22

214.7

   

8

42.8

23

32.1

   

9

48.9

24

35.4

   

10

34.3

25

81.7

   

11

212.6

26

26.0

   

12

49.1

27

26.0

   

13

50.8

28

25.5

   

14

51.5

29

28.7

   

15

46.0

30

18.8

   
   

OCOCH3

170.0

   
     

22.2

   

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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