CAS Registry Number: 108906-62-3
Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 20(S)-Dammar-24-en-3β,7β,18,20,27-pentaol
Biological source: Actinostemma lobatum [1]
C36H62O10: 654.434
Mp: 194–197°C (MeOH) [1]
[α] 17D + 3.3° (c 1.0, MeOH) [1]
FAB-MS m/z: 661 [M + Na]+ [1]
1 H NMR (J/Hz, C5D5N-D2O): 3.45 (t, J = 8, H-3), 4.11 (dd, J = 11, 3, H-7), 2.33 (ddd, J = 11, 11, 2, H-13), 4.49, 4.68 (d, J = 12, H2-18), 1.05 (s, CH3-19), 1.52 (s, CH3-21), 5.45 (t, J = 7, H-24), 1.99 (s, CH3-26), 4.47, 4.52 (d, J = 12, H2-27), 1.20 (s, CH3-28), 1.02 (s, CH3-29), 1.16 (s, CH3-30)
β-D-Glcp: 5.02 (d, J = 8, H-1), 3.92 (dd, J = 8, 9, H-2), 4.20 (t, J = 9, H-3), 4.11 (t, J = 9, H-4), 3.84 (ddd, J = 9, 5, 3, H-5), 4.25 (dd, J = 5, 12, H-6), 4.41 (dd, J = 12, 2, H-6) [1]
13 C NMR (C5D5N-D2O): [1]
Table 1
C-1 |
39.8 |
C-16 |
28.2 |
Glc-1 |
98.7 |
2 |
28.5 |
17 |
47.4 |
2 |
75.6 |
3 |
78.0 |
18 |
62.0 |
3 |
78.9 |
4 |
39.5 |
19 |
16.9 |
4 |
71.9 |
5 |
54.6 |
20 |
82.4 |
5 |
77.9 |
6 |
30.3... |
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References
M. Iwamoto, T. Fujioka, H. Okabe, K. Mihashi, T. Yamauchi, Chem. Pharm. Bull. 35(2), 553 (1987)
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(2013). Actinostemmoside C. In: Azimova, S.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0541-2_1269
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