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Scrophulasaponin II

Reference work entry

CAS Registry Number: 155762-34-8 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 3β,23-Dihydroxy-olean-11-en-13,28-epoxyd

Biological source: Scrophularia kakudensis [1]

C53H86O21: 1058.566

[α]D25 + 44.9° (c 1.07, MeOH) [1]

FAB-MSm/z: 1082 [M + Na]+ [1]

1H NMR (500 MHz, J/Hz, C5D5N): 4.12 (dd, J = 12.0, 5.0, H-3), 5.94 (brd, J = 10.0, H-11), 5.53 (dd, J = 10.0, 3.0, H-12), 3.72, 4.36 (d, J = 11.0, H2-23), 3.32, 3.71 (brd, J = 7.0, H2-28), 0.82, 0.92, 0.97, 0.97, 1.07, 1.33 (CH3 × 6)

β-D-Fucp: 4.90 (d, J = 8.0, H-1), 4.66 (dd, J = 9.5, 8.0, H-2), 4.03 (dd, J = 9.5, 3.0, H-3), 3.60 (m, H-5), 1.39 (d, J = 6.5, CH3-6)

β-D-Glcp: 5.57 (d, J = 8.0, H-1)

β-D-Glcp′: 5.24 (d, J = 8.0, H-1), 4.00 (t, J = 8.5, H-2), 4.21 (t, J = 8.5, H-3), 4.28 (t, J = 9.0, H-4), 3.89 (m, H-5), 4.49 (dd, J = 12.0, 3.0, H2-6)

β-D-Xylp: 5.10 (d, J = 8.0, H-1) [1]

13 C NMR (67.80 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.7

C-16

References

  1. 1.
    A. Yamamoto, T. Miyase, A. Ueno, T. Maeda, Chem. Pharm. Bull. 41(10), 1780 (1993)CrossRefGoogle Scholar

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