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Scandenoside R7

Reference work entry

CAS Registry Number: 109985-97-9 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – 11-Epi-carnosiflogenin C

Biological source: Hemsleya panacis-scandens [1]

C48H80O18: 944.534

[α]D22 + 15.9° (c 0.76, MeOH) [1]

1H NMR (270 MHz, J/Hz, CDCl3): 3.48 (t-like, J = 6, H-3), 5.62 (brd, J = 4.8, H-6), 3.89 (brs, J = 5, H-11), 0.95 (d, J = 5.8, CH3-21), 5.39 (t, J = 7, H-24), 3.99 (s, H2-26), 1.66 (s, CH3-27), 0.81 (s, CH3-18), 1.01 (s, CH3-19), 1.03 (s, CH3-28), 1.03 (s, CH3-29), 1.14 (s, CH3-30) [1]

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

Table 1

C-1

23.9

C-16

28.2

Glc-1

107.3

Glc″-1

105.4

2

29.3

17

51.2

2

75.0

2

75.0

3

87.5

18

18.0

3

78.4

3

78.4

4

41.8

19

22.9

4

71.6

4

71.6

5

142.9

20

36.3

5

78.1

5

78.4

6

119.3

21

18.8

6

63.1

6

62.7

7

25.0

22

36.3

Glc′-1

103.4

   

8

41.9

23

24.7

2

75.4

   

9

40.7

24

129.1

3

78.4

   

10

40.0

25

132.1

4

71.6

   

11

72.1

26

75.4

5

77.2

   

12

39.3

27

14.2

6

70.0

   

13

45.7

28

18.0...

References

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

Copyright information

© Springer Science+Business Media New York 2013

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