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Licorice-Saponin J2

Reference work entry

CAS Registry Number: 134250-13-8 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 11-Deoxo-24-hydroxy-glycyrrhetic Acid

Biological source: Glycyrrhiza uralensis [1]

C42H64O16: 824.419

Mp: 263–265°C [1]

[α]D25 + 21° (MeOH) [1]

IR (KBr) νmax cm−1: 3405, 1729, 1615 [1]

1H NMR (500 MHz, J/Hz, C5D5N): 5.00 (d, J = 7.6, H-1 of GlcUA), 5.65 (d, J = 7.0, H-1 of GlcUA′) [1]

13 C NMR (22.5 MHz, C 5D 5N) (for methyl derivate): [ 1]

Table 1

C-3

89.8

GlcUA-1

104.0

GlcUA′-1

104.7

11

47.5

2

81.1

2

76.6

12

122.2

3

76.3

3

77.0

13

144.3

4

72.1

4

72.1

18

48.2

5

77.4

5

77.4

22

36.2

6

169.6

6

169.6

24

62.8

       

29

28.1

       

30

177.0

       

References

  1. 1.
    I. Kitagawa, J.L. Zhou, M. Sakagami, E. Uchida, M. Yoshikawa, Chem. Pharm. Bull. 39(1), 244 (1991)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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