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Scandenoside R4

Reference work entry

CAS Registry Number: 114715-45-6 Open image in new window

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

Biological source: Hemsleya panacis-scandens [1]

C42H68O14: 796.460

[α]D24 + 69.7° (c 0.75, MeOH) [1]

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

1H NMR (100 MHz, J/Hz, C5D5N): 4.72 (d, J = 8.0, H-1 of Glc), 4.52 (d, J = 8.0, H-1 of Glc′)

1H NMR (270 MHz, J/Hz, CDCl3): 3.47 (t, like, J = 6.0, H-3), 5.67 (brd, J = 6.0, H-6), 2.52, 2.96 (d, J = 14.0, H2-12), 1.27 (s, CH3-21), 5.28 (t, J = 7.0, H-24), 1.78 (s, CH3-26), 4.08, 4.16 (d, J = 12.0, H2-27), 0.90 (s, CH3-18), 1.02 (s, CH3-19), 1.04 (s, CH3-28), 1.11 (s, CH3-29), 1.16 (s, CH3-30) [1]

13 C NMR (C 5D 5N):

Table 1

C-1

21.9

C-16

21.9

Glc-1

107.1

2

28.3

17

51.5

2

75.2

3

87.1

18

19.1

3

78.4

4

41.9

19

20.2

4

71.7

5

141.1

20

73.8

5

78.1

6

118.5

21

25.8

6

62.8

7

23.7

22

45.3

Glc′-1

102.4

8

43.2

23

23.0

2

74.9

9

48.7

24

130.9

3

78.4

10

35.9

25...

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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