Ziyu-Glycoside I

Reference work entry

CAS Registry Number: 35286-58-9 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – Pomolic Acid

Biological source: Sanguisorba officinalis [1], Zygophyllum eichwaldii [2]

C41H66O13: 766.450

Mp: 256–260°C (MeOH) [1]

[α]D20 + 18.0±2° (c 2.5; C5H5N) [1]

UV λmaxEtOH nm (ε): 212 (6060) [1]

IR (KBr) νmax cm−1: 3407, 2938, 1734, 1648, 1457, 1389, 1227, 1138, 1073, 781, 650 [2]

1H NMR (500 MHz, J/Hz, C5D5N): 1.28, 0.98, 0.92, 1.21, 1.71, 1.41, 1.08 (s, CH3-23, 24, 25, 26, 27, 29, 30), 2.96 (H-18), 3.35 (H-3), 5.17 (HO-19), 5.57 (H-12)

α-L-Arap: 4.78 (d, J = 7.0, H-1), 4.45 (d, J = 8.8, H-2), 4.18 (d, J = 3.3, H-3), 4.34 (dd, J = 1.0, 2.3, H-4), 4.38, 3.85 (H2-5)

β-D-Glcp: 6.33 (d, J = 8.3, H-1), 4.26 (d, J = 9.5, H-2), 4.39 (d, J = 9.6, H-3), 4.49 (d, J = 9.6, H-4), 4.07 (dd, J = 2.8, 6.7, H-5), 4.50, 4.43 (H2-6) [2]

13 C NMR (125 MHz, C 5D 5N): [ 2]

Table 1

C-1

38.60

C-16

25.83

Ara-1

107.28

2

26.40

17...

References

  1. 1.
    I. Yosioka, T. Sugawara, A. Ohsuka, I. Kitagawa, Chem. Pharm. Bull. 19(8), 1700 (1971)CrossRefGoogle Scholar
  2. 2.
    S.A. Sasmakov, Zh.M. Putieva, V.V. Kachala, Z. Saatov, A.S. Shashkov, Chem. Nat. Comp. 37(4), 347 (2001)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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