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Scandenoside R6

Reference work entry

CAS Registry Number: 114637-79-5 Open image in new window

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

Biological source: Hemsleya panacis-scandens [1]

C48H80O18: 944.534

[α]D22 + 15.9° (c 0.76, MeOH) [1]

IR (nujol) νmax cm−1: 3400, 1640, 1165 (C = C) [1]

1H NMR (100 MHz, J/Hz, C5D5N): 4.84 (d, J = 8.0, H-1 of Glc), 5.22 (d, J = 8.0, H-1 of Glc′), 4.77 (d, = J = 8, H-1 of Glc″) [1]

1H NMR (270 MHz, J/Hz, CDCl3): 3.46 (t-like, J = 6.0, H-3), 5.56 (brd, J = 6.0, H-6), 3.93 (dd, J = 7.7, H-11), 0.93 (d, J = 6.0, CH3-21), 5.28 (d, J = 7.0, H-24), 1.79 (brs, CH3-26), 4.13 (brs, H2-27), 0.82 (s, CH3-18), 0.87 (s, CH3-19), 1.06 (s, CH3-28), 1.12 (s, CH3-29), 1.15 (s, CH3-30) [1]

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

Table 1

C-1

26.2

C-16

28.3

Glc-1

107.1

Glc″-1

106.0

2

28.3

17

50.7

2

75.4

2

76.6

3

87.8

18

16.9

3

78.4

3

78.4

4

42.3

19

26.7

4

71.4

4

71.2

5

144.2

20

36.1

5

78.0

5

78.0

6

118.4

21

18.7

6

62.9

6

62.4

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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