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Zygoeichwaloside I

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]

C42H69O17S: 877.425

Mp: 217°C [1]

[α]D20 + 31.9±2° (c 0.9, C5H5N) [1]

IR (KBr) νmaxcm−1: 3422, 2974, 1734, 1648, 1458, 1390, 1264, 1231, 1170, 1074, 835, 774, 752, 619 [1]

1H NMR (500 MHz, J/Hz, C5D5N): 3.32 (H-3), 5.53 (H-12), 2.92 (H-18), 5.02 (HO-19), 1.46, 1.16, 0.86, 1.15, 1.68, 1.41 (s, CH3-23, 24, 25, 26, 27, 29), 1.07 (d, J = 6.4, CH3-30)

β-D-(2-O-SO3H)-Galp: 4.93 (H-1), 5.41 (H-2), 4.32 (H-3), 4.49 (H-4), 4.01 (H-5), 4.37, 4.37 (H2-6)

β-D-Glcp: 6.26 (H-1), 4.22 (H-2), 4.27 (H-3), 4.30 (H-4), 4.04 (H-5), 4.47, 4.40 (H2-6) [1]

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

Table 1

C-1

38.20

C-16

25.48

Gal-1

104.2

2

25.83

17

48.20

2

78.69

3

89.06

18

53.79

3

74.57

4

38.95

19

72.70

4

69.31

5

55.26

20

41.45

5

75.33

6

18.00

21

26.03

6

61.70

7

32.87

22

37.03

Glc-1

95.18

8

39.89

23

27.71

2

73.39

9

References

  1. 1.
    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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