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Robinioside F

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Abrisapogenol B

Biological source: Robinia pseudoacacia [1]

C49H80O19: 972.529

[α]D26−11.2° (c 1.14, MeOH) [1]

FAB-MS (Me ester) m/z: 971 [M-H], 825 [M-Rha-H], 473 [M-GlcUA(Me)-Glc-Rha-H]

1H NMR (400 MHz, J/Hz, C5D5N) (Me ester): 0.70, 0.97, 1.26, 1.27, 1.46, 1.47 (s, CH3 × 6), 5.36 (brs, H-12)

β-D-GlcUAp: 4.97 (d, J = 7.7, H-1), 3.78 (s, COOMe)

α-L-Rhap: 6.43 (brs, H-1), 1.79 (d, J = 5.5, CH3-6)

β-D-Glcp: 5.88 (d, J = 7.7, H-1) [1]

13 C NMR (C 5D 5N) (Me ester): [ 1]

Table 1

C-1

38.4

C-16

28.8

GlcUA-1

105.1

Rha-1

101.9

2

26.3

17

38.2

2

78.2

2

72.2

3

91.6

18

44.7

3

76.6

3

72.6

4

43.6

19

41.4

4

73.4

4

74.3

5

56.2

20

36.4

5

77.6

5

69.4

6

18.5

21

37.2

6

170.3

6

18.9

7

33.2

22

75.6

COOMe

52.1

   

8

39.8

23

22.7

Glc-1

102.0

   

9

47.7

24

63.3

2

79.1

   

10

36.4

25

15.6

3

78.0

   

11

24.0

26

17.0

4

69.7

   

12

122.3

27

25.5

5

78.3

   

13

144.9

References

  1. 1.
    B. Cui, J. Kinjo, T. Nohara, Chem. Pharm. Bull. 41(3), 553 (1993)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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