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Methyl-ester Isochiisanoside

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Anhydro-chiisanogenic Acid

Biological source: Acanthopanax chiisanensis [1], A. divaricatus [2]

C49H78O20: 986.508

[α]D17 −10.5° (c 0.95, MeOH) [1]

IR νmax (nujol) cm−1: 3300, 1740, 1720 (COOR), 1640, 880 (C = CH2) [1]

1H NMR (100 MHz, J/Hz, C5D5N): β-D-Glcp: 6.26 (d, J = 7, H-1)

β-D-Glcp′: 4.83 (d, J = 6.5, H-1)

α-L-Rhap: 5.77 (s, H-1) [1]

13 C NMR (100 MHz, C 5D 5N): [ 1]

Table 1

C-1

87.1

C-16

32.3

Glc-1

95.2

2

36.7

17

56.0

2

73.8

3

173.4

18

47.2

3

78.5

4

79.3

19

49.4

4

70.7

5

48.8

20

150.7

5

76.3

6

18.7

21

30.8

6

69.3

7

35.4

22

36.9

Glc′-1

104.9

8

42.7

23

24.9

2

75.2

9

56.9

24

32.6

3

77.0

10

46.8

25

19.1

4

78.2

11

67.5

26

17.8

5

77.9

12

38.5

27

15.1

6

61.2

13

37.4

28

174.8

Rha-1

102.5

14

42.7

29

19.5

2

72.6

15

30.3

30

110.2

3

72.4

   

CH3O

51.2

4

73.8

       

5

70.2

       

6

18.4

References

  1. 1.
    R. Kasai, K. Matsumoto, S. Taniyasu, O. Tanaka, J.-H. Kim, D.-R. Hahn, Chem. Pharm. Bull. 34(8), 3284 (1986)CrossRefGoogle Scholar
  2. 2.
    K. Matsumoto, R. Kasai, F. Kanamura, H. Kohda, O. Tanaka, Chem. Pharm. Bull. 35(1), 413 (1987)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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