CAS Registry Number: 222169-09-7 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]
C52H84O23: 1076.540
[α]D22 + 64.0° (c 0.16, MeOH) [1]
IR (KBr) νmax cm−1: 3414, 2929, 1680, 1074 [1]
MALDI-TOF-MSm/z: 1099 [M + Na]+, 1115 [M + K]+ [1]
1H NMR (400 MHz, J/Hz, C5D5N): 0.86, 0.96, 1.10, 1.23, 1.53, 1.90 (s, CH3-25, 26, 24, 23, 29, 27), 3.17 (dd, J = 11.5, 4.0, H-3), 4.85 (brs, H-16), 5.63 (brt, H-12)
α-L-Arap: 4.79 (d, J = 5.9, H-1)
β-D-Xylp: 4.92 (d, J = 6.5, H-1)
β-D-Glcp: 5.51 (d, J = 7.5, H-1)
β-D-Glcp′: 5.02 (d, J = 7.7, H-1) [1]
Table 1
C-1 |
38.8 |
C-16 |
73.8 |
Ara-1 |
104.7 |
Glc-1 |
104.3 |
2 |
26.4 |
17 |
40.5 |
2 |
79.8 |
2 |
85.5 |
3 |
88.9 |
18 |
44.2 |
3 |
73.3 |
3 |
77.6 |
4 |
39.6 |
19 |
44.8 |
4 |
78.7 |
4 |
71.9 |
5 |
55.9 |
20 |
44.6 |
5 |
64.3 |
5 |
78.4 |
6 |
18.4 |
21 |
33.9 |
Glc′-1 |
104.9 |
6 |
62.4 |
7 |
33.2 |
22 |
32.6 |
2 |
76.2 |
Xyl-1 |
107.7 |
8 |
40.1 |
23 |
28.1... |
References
- 1.K. Koike, Z. Jia, S. Ohura, S. Mochida, T. Nikaido, Chem. Pharm. Bull. 47, 434 (1999)CrossRefGoogle Scholar