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Zygophyloside C

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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]

C47H74O18: 926.487

FAB-MSm/z: 925 [M-H], 763 [M-H-Glc], 719 [M-H-Glc-CO2], 587 [719-Ara], 441 [587-Qui] [1]

1H NMR (300 MHz, J/Hz, CD3OD): 0.81, 1.01, 0.96, 0.87 (s, CH3 × 4), 0.91 (d, J = 5.70, CH3-29, 30), 5.62 (m, H-12)

β-D-Quip: 4.37 (d, J = 7.44, H-1), 1.24 (d, J = 6.1, CH3-6)

α-L-Arap: 4.45 (d, J = 6.76, H-1)

β-D-Glcp: 5.37 (d, J = 7.95, H-1) [1]

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

Table 1

C-1

40.0

C-16

26.4

Qui-1

105.2

Glc-1

95.6

2

27.3

17

2

84.1

2

73.9

3

90.7

18

55.3

3

76.9

3

78.6

4

40.2

19

40.4

4

77.8

4

71.3

5

57.0

20

38.3

5

73.7

5

78.2

6

19.3

21

31.2

6

18.1

6

62.6

7

37.0

22

38.0

Ara-1

106.5

   

8

40.8

23

19.2

2

72.7

   

9

48.1

24

28.3

3

74.1

   

10

37.8

25

16.7

4

69.6

   

11

23.9

26

18.1

5

67.4

   

12

130.9

27

178.0

       

13

133.3

28

179.2

       

14

57.3

29

16.9

       

15

References

  1. 1.
    V.U. Ahmad, G.S. Uddin, Phytochemistry 31, 1051 (1992)Google Scholar

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© Springer Science+Business Media New York 2013

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