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Zygoeichwaloside G

Reference work entry

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

Biological source: Zygophyllum eichwaldii [1]

C35H56O11S: 684.354

IR (KBr) νmaxcm−1: 3418, 2939, 1690, 1460, 1389, 1238, 1221, 1142, 1072, 836, 773, 649 [1]

ESI-MSm/z: 683.6 [M-H], 639.5, 603.5, 471.4, 433.3, 341.6, 211.1 [1]

1H NMR (500 MHz, J/Hz, C5D5N): 1.48, 0.84 (H2-1), 2.05, 1.78 (H2-2), 3.23 (H-3), 0.77 (H-5), 1.47, 1.27 (H2-6), 1.55, 1.32 (H2-7), 1.76 (H-9), 2.04, 1.96 (H2-11), 5.58 (H-12), 2.32, 1.28 (H2-15), 3.14, 2.06 (H2-16), 3.05 (H-18), 4.96 (HO-19), 1.50 (H-20), 2.10, 1.35 (H2-21), 2.16, 2.05 (H2-22), 1.30, 1.03, 0.82, 1.06, 1.73, 1.44 (s, CH3-23, 24, 25, 26, 27, 29), 1.13 (d, J = 6, CH3-30)

α-L-(2-O-SO3H)-Arap: 5.16 (H-1), 5.40 (H-2), 4.55 (H-3), 4.37 (H-4), 4.29, 3.79 (H2-5) [1]

13 C NMR (125 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.72

C-16

26.44

Ara-1

103.59

2

26.28

17

48.33

2

77.68

3

89.41

18

54.65

3

73.08

4

39.47

19

References

  1. 1.
    S.A. Sasmakov, Zh.M. Putieva, V.V. Kachala, Z. Saatov, A.S. Shashkov, Chem. Nat. Comp. 38(6), 568 (2002)CrossRefGoogle Scholar
  2. 2.
    S.A. Sasmakov, Zh.M. Putieva, Z. Saatov, U. Lindequist, Pharmazie 58(8), 602 (2003)Google Scholar

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© Springer Science+Business Media New York 2013

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