Advertisement

Robinioside E

Reference work entry

CAS Registry Number: 149691-29-2 Open image in new window

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

Biological source: Abrus cantoniensis [1], Robinia pseudoacacia [2]

C48H78O19: 958.513

[α]D26−8.3° (c 0.39, C5H5N-H2O (1:1)) [1]

FAB-MSm/z: 957 [M-H], 811 [M-H-Rha], 649 [M-H-Rha-Gal] [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.71, 0.89, 1.19, 1.22, 1.36, 1.41 (s, CH3 × 6), 5.27 (s, H-12)

α-L-Rhap: 5.99 (s, H-1), 1.78 (d, J = 6.1, CH3-6)

β-D-GlcUAp: 4.88 (d, J = 7.3, H-1)

β-D-Galp: 5.48 (d, J = 7.9, H-1) [1]

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

Table 1

C-1

38.9

C-16

29.2

GlcUA-1

104.9

Rha-1

102.0

2

26.6

17

38.3

2

78.0

2

71.9

3

91.6

18

45.2

3

76.5

3

71.9

4

44.1

19

41.6

4

73.8

4

73.8

5

56.4

20

36.6

5

77.1

5

69.5

6

19.5

21

36.7

6

176.4

6

18.7

7

33.6

22

75.7

Gal-1

101.9

   

8

39.9

23

23.0

2

77.1

   

9

48.0

24

63.6

3

75.7

   

10

36.6

25

16.0

4

71.0

   

11

24.1

26

17.3

5

76.0

   

12

122.8

27

25.4

6

62.0

   

13

144.8...

References

  1. 1.
    H. Miyao, Y. Sakai, T. Takeshita, J. Kinjo, T. Nohara, Chem. Pharm. Bull. 44(6), 1222 (1996)CrossRefGoogle Scholar
  2. 2.
    B. Cui, J. Kinjo, T. Nohara, Chem. Pharm. Bull. 41(3), 553 (1993)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations