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Corchorusin C

Reference work entry

CAS Registry Number: 108886-05-1 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 23-Hydroxy-longispinogenin

Biological source: Corchorus acutangulus [1]

C36H60O9: 636.423

Mp: 220–222°C (MeOH) [1]

[α]D + 25.6° (c 0.6, MeOH) [1]

1H NMR (99.6 MHz, J/Hz, CDCl3) (for permethylate): 0.72, 0.88, 0.89, 0.93, 0.96, 1.20 (s, CH3 × 6), 3.28, 3.32, 3.33, .3.37, 3.52, 3.53, 3.58 (CH3O × 7), 5.28 (t-like, H-12)

β-D-Galp: 4.20 (d, J = 7.0, H-1) [1]

13 C NMR (25.05 MHz, C 5D 5N): [ 1]

Table 1

C-1

38.6

C-16

66.7

Gal-1

105.7

2

25.5

17

40.6

2

72.8

3

82.3

18

44.4

3

74.9

4

43.0

19

46.9

4

69.7

5

47.4

20

30.7

5

76.0

6

17.9

21

33.9

6

61.9

7

32.4

22

25.9

   

8

40.0

23

64.7

   

9

46.9

24

13.1

   

10

36.5

25

16.0

   

11

23.6

26

16.8

   

12

122.3

27

26.9

   

13

143.6

28

68.9

   

14

43.7

29

33.0

   

15

36.3

30

23.9

   

References

  1. 1.
    S.B. Mahato, B.C. Pal, J. Chem. Soc. Perkin Trans. I (3), 629 (1987)Google Scholar

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