CAS Registry Number: 219805-92-2
Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Akebonoic Acid
Biological source: Beta vulgaris L. [1]
C46H70O18: 910.456
Mp: 211–213°C [1]
[α] 26D + 46.9° (c 0.1, MeOH) [1]
IR (KBr) νmax cm−1: 3432, 1740, 1736, 1076, 891 [1]
FAB-MS (negative ion mode) m/z: 909 (M-H)− [1]
FAB-MS (positive ion mode) m/z: 933 (M + Na)+ [1]
1 H NMR (500 MHz, J/Hz, C5D5N): 0.81, 0.99, 1.07, 1.26, 1.31 (s, CH3-25, 24, 26, 27, 23), 3.12 (dd, J = 4.7, 13.9, H-18), 3.38 (dd, J = 4.6, 11.9, H-3), 4.69, 4.76 (s, H2-29), 5.43 (brs, H-12)
β-D-Glcp: 6.28 (d, J = 8.2, H-1)
β-D-GlcUAp:5.04 (d, J = 7.6, H-1), 4.18 (m, H-2), 4.39 (m, H-3), 4.57 (t, J = 9.5, H-4)
β-D-Xylp: 5.37 (d, J = 7.6, H-1) [1]
13 C NMR (125 MHz, C5D5N): [1]
Table 1
C-1 |
38.7 |
C-16 |
23.7 |
GlcUA-1 |
106.8 |
Glc-1 |
95.9 |
2 |
26.6 |
17 |
47.3 |
2 |
74.6 |
2 |
74.1 |
3 |
89.3 |
18 |
47.7 |
3 |
86.5 |
3 |
78.8 |
4 |
39.5 |
19 |
41.7 |
4 |
71.4 |
4 |
71.2 |
5 |
55.7 |
20 |
148.5 |
5 |
77.6 |
5 |
79.3 |
6 |
18.5 |
21 |
30.1 |
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References
M. Yoshikawa, T. Murakami, M. Kadoya, J. Yamahara, H. Matsuda, Chem. Pharm. Bull. 46(11), 1758 (1998)
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(2013). Betavulgaroside X. In: Azimova, S.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0541-2_927
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