Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 22α-Hydroxy-oleanolic Acid
Biological source: Kochia scoparia [1]
C41H64O14: 780.429
Mp: 204–206°C [1]
[α] 24D + 17.1° (c 1.7, MeOH) [1]
IR (KBr) νmax cm−1: 3438, 2926, 2887, 1726, 1719, 1655, 1036 [1]
FAB-MS (negative ion mode) m/z: 779 (M-H)−, 647 (M-C5H9O4)−, 471 (M-C11H17O10)− [1]
HR-FAB-MS (positive ion mode) m/z: 803.4191 (M + Na)+ [1]
1 H NMR (500 MHz, J/Hz, C5D5N): 0.79, 0.99, 1.03, 1.03, 1.13, 1.32, 1.38 (s, CH3-25, 24, 26, 29, 30, 23, 27), 3.36 (m, H-3, 18), 4.57 (m, H-22), 5.47 (brs, H-12)
β-D-GlcUAp: 5.05 (d, J = 7.7, H-1)
β-D-Xylp: 5.38 (d, J = 7.2, H-1) [1]
13 C NMR (125 MHz, C5D5N): [1]
Table 1
C-1 |
38.4 |
C-16 |
16.8 |
GlcUA-1 |
106.8 |
2 |
26.4 |
17 |
53.0 |
2 |
74.5 |
3 |
89.1 |
18 |
43.4 |
3 |
86.3 |
4 |
39.4 |
19 |
45.8 |
4 |
71.4 |
5 |
55.5 |
20 |
31.4 |
5 |
77.4 |
6 |
18.3 |
21 |
43.1 |
6 |
172.1 |
7 |
32.9 |
22 |
71.3 |
Xyl-1 |
106.1 |
8 |
39.8 |
23 |
27.9 |
2 |
75.2 |
9 |
47.8 |
24 |
16.8 |
3 |
77.9 |
10 |
36.8 |
25 |
15.2 |
4 |
70.8 |
11 |
23.6 |
26 |
17.2 |
5 |
67.2... |
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References
M. Yoshikawa, H. Shimada, T. Morikawa, S. Yoshizumi, N. Matsumura, T. Murakami, H. Matsuda, K. Hori, J. Yamahara, Chem. Pharm. Bull. 45(8), 1300 (1997)
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(2013). Scoparianoside A. In: Azimova, S.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0541-2_878
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