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Scandenoside R5

Reference work entry

CAS Registry Number: 114637-78-4 Open image in new window

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

Biological source: Hemsleya panacis-scandens [1]

C48H78O18: 942.518

[α]D23 + 59.7° (c 0.39, MeOH) [1]

IR (nujol) νmax cm−1: 3400, 1680 (C = 0) [1]

1H NMR (100 MHz, J/Hz, C5D5N): 4.90 (d, J = 7, H-1 of Glc), 4.82 (d, J = 7, H-1 of Glc′), 5.28 (d, J = 8, H-1 of Glc″) [1]

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

Table 1

C-1

21.8

C-16

28.0

Glc-1

107.2

Glc″-1

106.2

2

28.3

17

49.6

2

75.4

2

76.7

3

87.1

18

16.9

3

78.4

3

78.1

4

41.9

19

20.2

4

71.5

4

71.5

5

141.2

20

35.9

5

78.1

5

78.1

6

118.4

21

18.1

6

62.7

6

62.7

7

24.0

22

36.7

Glc′-1

101.3

   

8

43.9

23

24.8

2

83.7

   

9

49.0

24

130.0

3

78.4

   

10

35.9

25

132.2

4

71.3

   

11

213.7

26

21.8

5

78.1

   

12

48.8

27

67.2

6

62.7

   

13

49.0

28

18.4

       

14

49.6

29

28.3

       

15

34.5

30

25.8

       

References

  1. 1.
    R. Kasai, K. Matsumoto, R.-L. Nie, J. Zhou, O. Tanaka, Chem. Pharm. Bull. 36(1), 234 (1988)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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