Advertisement

Guaiacin C

Reference work entry

Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 30-nor-olean-12,20(29)-dien-28-oic Acid

Biological source: Guaiacum officinale [1]

C46H72O16: 880.482

1H NMR (300 MHz, J/Hz, CD3OD): 0.83, 0.85, 0.94, 1.02, 1.19 (s, CH3 × 5), 4.58 (brs, H2-29), 5.29 (t, H-12)

α-L-Arap: 4.50 (d, J = 7.2, H-1)

β-D-Glcp: 4.48 (d, J = 7.4, H-1)

α-L-Rhap: 5.20 (d, J = 1.47, H-1), 1.21 (d, J = 6.27, CH3-6) [1]

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

Table 1

C-1

40.12

C-16

24.54

Ara-1

105.02

Rha-1

101.99

2

27.17

17

48.72

2

75.34

2

72.2

3

89.69

18

49.28

3

81.93

3

72.2

4

40.39

19

42.97

4

68.39

4

73.91

5

57.24

20

150.16

5

64.49

5

70.3

6

19.35

21

39.35

Glc-1

104.28

6

17.99

7

14.07

22

31.13

2

75.09

   

8

40.66

23

28.73

3

78.09

   

9

48.72

24

17.90

4

71.3

   

10

37.99

25

16.02

5

78.03

   

11

24.36

26

17.29

6

62.49

   

12

123.85

27

26.43

       

13

145.03

28

-

       

14

42.97

29

106.90

       

15

29.01

           

References

  1. 1.
    V.U. Ahmad, S. Perveen, S. Bano, Phytochemistry 29(10), 3287 (1990)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations