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Subproside I

Reference work entry

CAS Registry Number: 142750-15-0 Open image in new window

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

Biological source: Abrus cantoniensis

C48H78O19: 958.513

[α]D27−5.7° (c 0.43, C5H5N-H2O (1:1)) [1]

FAB-MSm/z: 957 (M-H) [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.85, 0.94, 1.20, 1.27, 1.31, 1.33, 1.41 (s, CH3 × 7), 5.30 (s, H-12)

α-L-Rhap: 6.04 (s, H-1), 1.74 (d, J = 6.1, CH3-6)

β-D-GlcUAp: 4.88 (d, J = 6.7, H-1)

β-D-Galp: 5.43 (d, J = 7.9, H-1) [1]

13 C NMR (400 MHz, C 5D 5N): [ 1]

Table 1

C-1

39.0

C-16

27.2

GlcUA-1

105.0

Rha-1

102.4

2

26.6

17

39.1

2

78.3

2

72.0

3

91.1

18

43.3

3

76.7

3

72.0

4

39.9

19

40.9

4

73.7

4

73.8

5

55.9

20

40.9

5

78.1

5

69.3

6

18.5

21

70.6

6

176.4

6

18.6

7

32.9

22

79.6

Gal-1

101.8

   

8

40.3

23

28.3

2

78.1

   

9

47.9

24

16.7

3

75.6

   

10

36.8

25

15.6

4

70.1

   

11

23.9

26

17.3

5

76.6

   

12

122.7

27

26.8

6

62.7

   

13

144.7

28

22.2

       

14

42.1

29

70.8

       

15

26.3

30...

References

  1. 1.
    H. Miyao, Y. Sakai, T. Takeshita, J. Kinjo, T. Nohara, Chem. Pharm. Bull. 44(6), 1222 (1996)CrossRefGoogle Scholar

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