Platycodin A

Reference work entry

CAS Registry Number: 66779-34-8 Open image in new window

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

Biological source: Platycodon grandiflorum [1, 2, 3]

C59H94O29: 1266.588

Mp: 217–220°C [1]

[α]D28 −26.6° (c 1.7, MeOH) [1]

1H NMR (100 MHz, J/Hz, C5D5N): 4.95 (Hα-2), 5.56 (H-12), 4.98 (Hβ-16), 0.92, 1.00, 1.09, 1.54, 1.72 (s, CH3 × 5), 2.03 (OAc) [2]

13 C NMR (15 MHz, C 5D 5N): [ 2]

Table 1

C-1

45.0

C-16

74.1 [3]

Glc-1

106.0 [2]

Ac-1

170.3 [1]

2

69.3

17

50.1

2

75.2

2

20.8

3

86.4

18

41.7

3

78.6

Xyl-1

106.4

4

48.0

19

47.0 [2]

4

72.0

2

75.0

5

48.0

20

30.8

5

78.2

3

85.7

6

19.6

21

36.0

6

62.9

4

69.5

7

33.5

22

31.3 [3]

Ara-1

93.6 [3]

5

66.7

8

40.3

23

63.8 [2]

2

76.3

Api-1

111.2 [3]

9

47.8

24

66.3

3

65.8

2

77.9

10

37.6

25

18.1

4

70.3

3

80.0

11

24.2

26

17.3

5

62.9

4

75.0

12

122.5

27

27.3

Rha-1

98.4

5

65.8

13

144.7

28

175.9 [3]

2

73.6

   

14

42.2

29

33.1 [2]

3

70.3

   

15

36.1

30

24.8

4

83.4

   
       

References

  1. 1.
    T. Konishi, A. Tada, J. Shoji, R. Kasai, O. Tanaka, Chem. Pharm. Bull. 26, 668 (1978)CrossRefGoogle Scholar
  2. 2.
    H. Ishii, K. Tori, T. Tozyo, Y. Yoshimura, Chem. Pharm. Bull. 26, 671 (1978)CrossRefGoogle Scholar
  3. 3.
    H. Ishii, K. Tori, T. Tozyo, Y. Yoshimura, Chem. Pharm. Bull. 26, 674 (1978)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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