Scandenoside R3

Reference work entry

CAS Registry Number: 114637-77-3 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]

C42H68O14: 796.460

[α]D24 + 48.0° (c 0.97, MeOH) [1]

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

1H NMR (100 MHz, J/Hz, C5D5N): anomeric: 4.79 (d, J = 8.0, H-1 of Glc), 4.82 (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 = 6.7, H-6), 2.54, 2.96 (d, J = 14.0, H2-12), 0.93 (s, CH3-18), 1.03 (s, CH3-19), 1.29 (d, J = 6.5, H-21), 5.39 (t, J = 6.5, 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

22.1

C-16

22.1

Glc-1

107.2

2

28.3

17

51.4

2

75.1

3

87.3

18

19.0

3

78.5

4

41.9

19

20.2

4

71.7

5

141.2

20

73.8

5

78.1

6

118.5

21

25.9

6

62.8

7

24.0

22

44.6

Glc′-1

103.4

8

43.3

23

23.1

2

75.1

9

48.8

24

128.6

3

78.5

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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