CAS Registry Number: 354527-11-0
Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Eupteleogenin
Biological source: Euptelea polyandra [1]
C49H74O19: 966.482
Mp: 180–184°C [1]
[α] 26D + 31.9° (c 0.1, MeOH) [1]
IR (KBr) νmax cm−1: 3453, 1761, 1658, 1060 [1]
FAB-MS (negative ion mode) m/z: 965 (M-H)−, 923 (M-C2H3O)− [1]
FAB-MS (positive ion mode) m/z: 989 (M + Na)+ [1]
1 H NMR (500 MHz, J/Hz, C5D5N): 0.91, 1.09, 1.13, 1.17, 1.24 (s, CH3-25, 26, 24, 27, 23), 2.17 (s, Ac-2), 2.32 (dd-like, H-18), 3.02 (brs, H-11), 3.14 (d-like, H-12), 3.40 (dd, J = 3.9, 11.0, H-3), 4.73 (m, H2-29)
β-D-Glcp: 4.84 (d, J = 7.3, H-1)
β-D-Glcp′: 5.01 (d, J = 7.6, H-1)
α-L-Rhap: 6.37 (brs, H-1), 1.66 (d, J = 6.3, CH3-6) [1]
13 C NMR (125 MHz, C5D5N): [1]
Table 1
C-1 |
38.8 |
C-19 |
34.7 |
Glc-1 |
104.9 |
2 |
26.3 |
20 |
147.0 |
2 |
76.9 |
3 |
88.5 |
21 |
30.2 |
3 |
89.9 |
4 |
39.5 |
22 |
22.0 |
4 |
69.9 |
5 |
55.3 |
23 |
27.7 |
5 |
75.1 |
6 |
17.7 |
24 |
16.5 |
6 |
64.5 |
7 |
31.4 |
25 |
17.3 |
Rha-1 |
101.6 |
8 |
41.6 |
26 |
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T. Murakami, H. Oominami, H. Matsuda, M. Yoshikawa, Chem. Pharm. Bull. 49(6), 741 (2001)
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(2013). Eupteleasaponin VI Acetate. In: Azimova, S.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0541-2_966
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DOI: https://doi.org/10.1007/978-1-4614-0541-2_966
Publisher Name: Springer, New York, NY
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