Scandenoside R1

Reference work entry

CAS Registry Number: 114637-76-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – Scandenogenin A

Biological source: Hemsleya panacis-scandens [1]

C36H58O9: 634.408

[α]D24 + 83.8° (c 0.68, MeOH) [1]

IR (nujol) νmax cm−1: 3350, 1680 (C = 0) [1]

1H NMR (100 MHz, J/Hz, C5D5N): 4.76 (d, J = 7.0, H-1 of Glc) [1]

1H NMR (270 MHz, J/Hz, CDCl3): 3.47 (t-like, J = 6.0, H-3), 5.67 (brd, J = 6.0, H-6), 2.54, 2.96 (d, J = 14.3, H2-12), 0.93 (s, CH3-18), 1.03 (s, CH3-19), 1.29 (s, CH3-21), 5.39 (t, J = 7.0, H-24), 3.99 (s, CH3-26), 1.67 (s, CH3-27), 1.05 (s, CH3-28), 1.12 (s, CH3-29), 1.17 (s, CH3-30) [1]

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

Table 1

C-1

21.9

C-11

214.1

C-21

25.8

Glc-1

106.9

2

28.3

12

49.1

22

45.0

2

75.2

3

87.3

13

50.1

23

23.1

3

78.2

4

41.8

14

49.1

24

125.0

4

71.4

5

141.1

15

34.5

25

135.8

5

77.8

6

118.5

16

21.9

26

67.9

6

62.5

7

24.2

17

51.0

27

13.8

   

8

43.2

18

19.0

28

18.3

   

9

48.9

19

20.2

29...

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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