Advertisement

Polygalasaponin XXV

Reference work entry

CAS Registry Number: 173938-32-4 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 2β,3β,23-Trihydroxy-olean-11,13(18)-dien-28-oic Acid

Biological source: Polygala japonica [1]

C36H56O10: 648.387

[α]D21−70.6° (c 0.86, C5H5N) [1]

FAB-MS (positive ion mode) m/z: 671 (M + Na)+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.90 (s, CH3-30), 0.94 (s, CH3-29), 1.07 (s, CH3-27), 1.14 (s, CH3-26), 1.33 (s, CH3-24), 1.63 (s, CH3-25), 4.37 (d, J = 3.0, H-3), 3.69, 4.39 (d, J = 11.0, H2-23), 4.88 (m, H-2), 5.91 (brd, J = 11, H-11), 6.65 (dd, J = 11.0, 2.5, H-12)

β-D-Glcp: 5.18 (d, J = 8.0, H-1), 4.03 (t, J = 8.5, H-2), 4.16 (t, J = 8.5, H-3), 4.21 (t, J = 8.5, H-4), 3.91 (m, H-5), 4.33 (dd, J = 12.0, 5.0, H-6), 4.47 (dd, J = 12.0, 2.0, H-6) [1]

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

Table 1

C-1

43.8

C-16

25.7

Glc-1

105.8

2

70.6

17

48.7

2

75.5

3

83.0

18

133.2

3

78.6

4

42.7

19

41.0

4

71.7

5

47.5

20

32.8

5

78.3

6

18.1

21...

References

  1. 1.
    D. Zhang, T. Miyase, M. Kuroyanagi, K. Umehara, A. Ueno, Chem. Pharm. Bull. 44(1), 173 (1996)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations