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Zygophyloside E

Reference work entry

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

Biological source: Zygophyllum propinquum [1], Z. oxianum [2]

C42H66O17S: 874.402

Mp: 225–227°C [2]

[α]D22 + 18.1±1° (c 0.01, MeOH) [2]

FAB-MSm/z: 873 [M-H], 711 [M-H-Glc], 587 [M-H-Glc-(CO2 + SO3)] and 441 [M-H-Glc-(CO2 + SO3)- Qui] [1]

1H NMR (300 MHz, J/Hz, CD3OD): 5.53 (m, H-12), 0.83 (s, CH3-23), 1.03 (s, CH3-24), 0.95 (s, CH3-25), 0.86 (s, CH3-26), 0.93 (d, J = 7.69, s, CH3-29), 0.93 (d, J = 7.69, H-30).

β-D-Quip: 4.40 (d, J = 7.66, H-1), 4.03 (t, J = 7.69, H-2), 3.09 (t, J = 9.16, H-4), 3.34 (m, H-5), 1.25 (d, J = 6.13, H-6)

β-D-Glcp: 5.36 (d, J = 8.03, H-1), 3.2, 3.4–3.9 and 4.2 (m, H-3, H-3′, H-2 to H-6) [1]

13 C NMR (75 MHz, CD 3OD): [ 1]

Table 1

C-1

39.8

C-16

27.0

Qui-1

104.0

2

27.2

17

-

2

82.2

3

91.5

18

55.7

3

77.6

4

40.2

19

40.4

4

76.8

5

56.6

20

38.2

5

72.7

6

19.3

21

31.3

6

18.1

7

37.3

22

38.0

Glc-1

95.7

8

40.7

References

  1. 1.
    V.U. Ahmad, G.Sh. Uddin, M. Shaiq Ali, Phytochemistry 33, 453 (1993)CrossRefGoogle Scholar
  2. 2.
    S.A. Sasmakov, Zh.M. Putieva, V.N. Syrov, F.N. Dzhakhangirov, U. Lindequist, 7th International Symposium. on the Chemistry of Natural Compands, Tashkent, 16-18 October 2007, p. 182Google Scholar

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© Springer Science+Business Media New York 2013

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