Gymnocladus-Saponin C

Reference work entry

CAS Registry Number: 95732-68-6 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 2β,23-Dihydroxy-acacic acid-21,28-lactone

Biological source: Gymnocladus chinensis [1]

C46H72O19: 928.466

Mp: 187–189°C [1]

[α]D33 − 10.0° (c 0.98, MeOH) [1]

IR (KBr) νmax cm−1: 3400–3600, 1760 [1]

13 C NMR (80 MHz, C 5D 5N): [ 1]

Table 1

C-1

43.8

C-16

66.7

Glc-1

105.4

2

70.3

17

49.9

2

75.4

3

83.2

18

41.7

3

78.1

4

42.5

19

42.9

4

71.6

5

48.3

20

34.0

5

76.1

6

18.2

21

83.5

6

68.4

7

32.3

22

27.1

Ara-1

101.7

8

40.5

23

65.7

2

79.2

9

47.8

24

14.8

3

72.3

10

37.1

25

16.2

4

67.1

11

23.9

26

17.3

5

63.8

12

124.7

27

28.5

Xyl-1

105.5

13

140.2

28

181.2

2

74.8

14

43.4

29

28.8

3

77.7

15

38.1

30

24.3

4

70.7

       

5

67.1

References

  1. 1.
    T. Konoshima, T. Sawada, T. Kimura, Chem. Pharm. Bull. 32, 4833 (1984)CrossRefGoogle Scholar

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