Advertisement

Ardisicrenoside G

Reference work entry

CAS Registry Number: 222169-04-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 3β,16α,28-Trihydroxy-olean-12-en-30-oic Acid

Biological source: Ardisia crenata [1]

C53H86O23: 1090.555

[α]D22 + 27.0° (c 0.26, MeOH) [1]

IR (KBr) νmax cm−1: 3413, 2931, 1680, 1073 [1]

MALDI-TOF-MSm/z: 1113 [M + Na]+, 1129 [M + K]+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.85, 0.96, 1.04, 1.18, 1.53, 1.88 (s, CH3-25, 26, 24, 23, 29, 27), 2.65 (dd, J = 16.8, 1.5, H-18), 3.16 (dd, J = 11.0, 4.3, H-3), 3.57, 3.84 (d, J = 10.4, H2-28), 4.84 (brs, H-16), 5.62 (brt, H-12)

α-L-Rhap: 6.43 (brs, H-1), 1.81 (d, J = 5.9, CH3-6)

α-L-Arap: 4.94 (d, J = 4.7, H-1)

β-D-Glcp: 5.27 (d, J = 7.7, H-1)

β-D-Glcp′: 5.39 (d, J = 7.7, H-1) [1]

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

Table 1

C-1

38.9

C-16

73.8

Ara-1

104.5

Glc-1

103.1

2

26.4

17

40.5

2

80.8

2

77.3

3

89.1

18

44.2

3

72.5

3

79.6

4

39.5

19

44.8

4

74.8

4

71.8

5

55.7

20

44.6

5

63.6

5

78.4...

References

  1. 1.
    K. Koike, Z. Jia, S. Ohura, S. Mochida, T. Nikaido, Chem. Pharm. Bull. 47, 434 (1999)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations