Advertisement

Laetiposide F

Reference work entry

CAS Registry Number: 309751-41-5 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – Mogrol

Biological source: Laetiporus versisporus [1]

C37H60O10: 664.418

Mp: 220–222°C [1]

[α]D25 + 16.7° (c 0.4, MeOH) [1]

IR (KBr) νmax cm−1: 3400, 1700, 1060 [1]

FAB-MSm/z: 663 [M-H] [1]

1H NMR (600 MHz, J/Hz, C5D5N): 3.14 (t, J = 7.5, H-3), 4.87 (brs, H-7), 4.74 (dd, J = 9.5, 5.5, H-15), 1.05 (s, CH3-18), 0.97 (s, CH3-19), 1.00 (d, J = 6.8, CH3-26), 1.00 (d, J = 6.8, CH3-27), 1.50 (s, CH3-28), 1.09 (s, CH3-29), 1.49 (s, CH3-30), 4.91, 4.86 (brs, H2-31)

β-D-Glcp: 5.13 (d, J = 7.4, H-1), 3.97 (dd, J = 8.8, 7.4, H-2), 4.27 (dd, J = 9.0, 8.8, H-3), 4.11 (dd, J = 9.0, 8.8, H-4), 4.15 (m, H-5), 4.41 (dd, J = 11.7, 5.6, H-6), 4.88 (dd, J = 11.7, 2.2, H-6) [1]

13 C NMR (125 MHz, C 5D 5N): [ 1]

Table 1

C-1

35.0

C-17

47.3

Glc-1

99.8

2

28.4

18

17.0

2

74.9

3

77.7

19

19.5

3

77.9

4

39.1

20

49.3

4

71.5

5

43.7

21

178.5...

References

  1. 1.
    K. Yoshikawa, K. Matsumoto, C. Mine, S. Bando, S. Arihara, Chem. Pharm. Bull. 48(10), 1418 (2000)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations