Advertisement

Latifoloside J

Reference work entry

Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – 21α-Hydoxy-ursolic Acid

Biological source: Ilex latifolia [1]

C48H78O18: 942.518

[α]D25 + 7.4° (c 0.67, MeOH) [1]

HR-FAB-MS (negative-ion mode) m/z: 941.5110 [M-1] [1]

1H NMR (500 MHz, J/Hz, C5D5N): 0.71 (dd, J = 11.3, 4.6, H-5), 0.83 (s, CH3-25), 1.01 (d, J = 6.7, CH3-29), 1.02 (s, CH3-26), 1.11 (s, CH3-27), 1.17 (s, CH3-24), 1.22 (s, CH3-23), 1.26 (d, J = 6.4, CH3-30), 2.78 (d, J = 11.3, H-18), 3.37 (dd, J = 11.2, 4.6, H-3), 4.28 (m, H-21)

α-L-Rhap: 6.55 (brs, H-1), 1.70 (d, J = 6.4, CH3-6)

β-D-Glcp: 4.94 (d, J = 7.3, H-1)

β-D-Glcp′: 5.01 (d, J = 7.6, H-1) [1]

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

Table 1

C-1

39.3

C-16

27.7

Rha-1

101.6

Glc′-1

101.7

2

26.9

17

48.5

2

72.4

2

75.4

3

88.9

18

54.3

3

72.5

3

78.9

4

39.5

19

33.6

4

74.1

4

72.2

5

56.2

20

42.9

5

69.6

5

79.8

6

18.5

21

76.9

6

18.5

6

62.9

7

33.6

22

39.1

Glc-1

105.4

   

8

42.9

23

28.1

2

77.8

 

References

  1. 1.
    J. Huang, X. Wang, Y. Ogihara, N. Shimizu, T. Takeda, T. Akiyama, Chem. Pharm. Bull. 49(2), 239 (2001)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations