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Hosenkoside J

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Hosenkol A

Biological source: Impatiens balsamina [1]

C42H72O15: 816.487

Mp: 241–243 °C (MeOH) [1]

[α]D20 + 23.2° (c 5.3, MeOH) [1]

FAB-MSm/z: 815 [M-H], 653 [M-C6H1005-H] [1]

1H NMR (J/Hz, C5D5N): 0.84, 0.87, 0.91, 1.08 (s, CH3 × 4), 1.10 (d, J = 6.6, CH3-27), 2.13 (m, H-25), 3.28, 4.57 (d, J = 11.7, H2-21), 3.42 (d, J = 10.2, H-17), ca 4.40 (m, H-3)

β-D-Glcp: 5.10 (d, J = 7.3, H-1); β-D-Glcp′: 5.37 (d, J = 7.3, H-1) [1]

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

Table 1

C-1

39.0

C-16

32.9

Glc-1

103.9

2

25.9

17

79.8

2

83.9

3

82.5

18

15.7

3

78.0

4

43.5

19

17.1

4

71.2

5

48.3

20

36.0

5

78.3

6

18.1

21

72.3

6

62.6

7

33.5

22

37.4

Glc′-1

105.9

8

40.8

23

26.1

2

76.8

9

51.2

24

79.5

3

78.3

10

36.9

25

40.4

4

71.3

11

21.2

26

64.3

5

78.0

12

24.8

27

13.5

6

62.5

13

41.7

28

64.8

   

14

42.2

29

13.2

   

15

26.7

30

14.9

   

References

  1. 1.
    N. Shoji, A. Umeyama, N. Saitou, K. Yoshikawa, M. Nagai, S. Arihara, Chem. Pharm. Bull. 42(7), 1422 (1994)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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