Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Trachelosperogenin E
Biological source: Trachelospermum asiaticum [1]
C36H58O12: 682.392
[α] 31D + 15.5° (c 0.60, MeOH) [1]
FAB-MS m/z: 705 (M + Na)+ [1]
1 H NMR (400 MHz, J/Hz, C5D5N): 5.50 (brs, H-12), 3.52 (brs, H-18), 3.56 (brt, J = 5.0, Hβ-19), 6.00 (d, J = 5.0, HO-19), 4.01, 4.64 (d, J = 11.0, H2-23), 4.27, 4.89 (d, J = 11.0, H2-24), 0.98, 1.14, 1.18, 1.20, 1.56 (s, CH3 × 5)
β-D-Glcp: 6.39 (d, J = 8.0, H-1) [1]
13 C NMR (400 MHz, C5D5N): [1]
Table 1
C-1 |
47.6 |
C-16 |
28.0 |
Glc-1 |
95.8 |
2 |
69.0 |
17 |
46.4 |
2 |
74.1 |
3 |
79.8 |
18 |
44.6 |
3 |
78.9 |
4 |
47.9 |
19 |
81.0 |
4 |
71.1 |
5 |
48.6 |
20 |
35.5 |
5 |
79.2 |
6 |
19.4 |
21 |
28.9 |
6 |
62.2 |
7 |
33.3 |
22 |
33.0 |
||
8 |
40.3 |
23 |
64.3 |
||
9 |
48.4 |
24 |
62.9 |
||
10 |
38.3 |
25 |
17.5 |
||
11 |
24.5 |
26 |
17.2 |
||
12 |
123.5 |
27 |
24.8 |
||
13 |
144.3 |
28 |
177.1 |
||
14 |
42.1 |
29 |
28.7 |
||
15 |
29.0 |
30 |
24.6 |
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References
F. Abe, T. Yamauchi, Chem. Pharm. Bull. 35, 1833 (1987)
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(2013). Trachelosperoside E-1. In: Azimova, S.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0541-2_1081
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