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Hosenkoside I

Reference work entry

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

Biological source: Impatiens balsamina [1]

C42H72O15: 816.487

Mp: 278–280°C (MeOH) [1]

[α]D20 + 12.0° (c 1.7, MeOH) [1]

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

1H NMR (J/Hz, C5D5N): 0.86, 0.93, 0.98, 0.98 (s, CH3 × 4), 1.10 (d, J = 6.8, CH3-27), 2.20 (m, H-25), 3.33 (d, J = 10.3, H-17), 3.73, 4.20 (d, J = 11.0, H2-28), 4.01, 4.30 (d, J = 10.5, H2-21), ca 4.40 (m, H-3)

β-D-Glcp: 5.15 (d, J = 7.8, H-1); β-D-Glcp′: 4.89 (d, J = 7.8, H-1) [1]

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

Table 1

C-1

39.1

C-16

26.5

Glc-1

105.8

2

26.1

17

76.1

2

75.8

3

82.0

18

15.9

3

78.6

4

43.5

19

17.1

4

71.7

5

47.8

20

38.3

5

78.3

6

18.1

21

67.7

6

62.9

7

33.6

22

34.4

Glc′-1

105.0

8

41.0

23

24.5

2

75.2

9

51.2

24

79.7

3

78.6

10

37.0

25

39.5

4

71.7

11

21.2

26

72.5

5

78.4

12

25.6

27

13.7

6

62.8

13

39.9

28

64.5

   

14

42.2

29

13.4

   

15

26.4

30

15.2

   

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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