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Clinoposaponin XVII

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 23-Oxo-saikogenin F

Biological source: Clinopodium chinense [1]

C48H76O18: 940.503

[α]D23 + 70.4° (c 1.09, MeOH) [1]

SI-MS (positive ion mode) m/z: 963.4924 (M + Na)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.89, 0.92, 0.96, 1.12, 1.31, 1.40 (s, CH3-25, 30, 29, 27, 26, 24), 3.33, 4.37 (d, J = 7.0, H2-28), 4.05 (H-3), 4.52 (m, H-16), 5.66 (dd, J = 10.0, 3.0, H-12), 5.93 (brd, J = 10.0, H-11), 9.81 (s, H-23)

β-D-Fucp: 4.63 (d, J = 7.5, H-1), 4.56 (dd, J = 9.5, 7.5, H-2), 4.18 (H-3), 3.69 (m, H-5), 1.43 (d, J = 6.5, CH3-6)

β-D-Glcp: 5.54 (d, J = 8.0, H-1), 4.05 (H-2), 4.30 (H-4), 3.63 (m, H-5), 4.31, 4.31 (H2-6)

β-D-Glcp′: 5.30 (d, J = 8.0, H-1), 3.98 (dd, J = 9.0, 8.0, H-2), 4.20 (H-3), 4.18 (H-4), 3.93 (m, H-5), 4.30, 4.45 (H2-6) [1]

13 C NMR (100 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.0

C-16

64.0

Fuc-1

103.0

Glc′-1

105.2

2

24.9

17

47.0

2

76.6

2

75.4

References

  1. 1.
    T. Miyase, Y. Matsushima, Chem. Pharm. Bull. 45(9), 1493 (1997)CrossRefGoogle Scholar

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