CAS Registry Number: 35286-59-0
Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – Pomolic Acid
C35H56O8: 604.397
Mp: 243–245°C (MeOH) [1]
[α] 20D + 25.0±2° (c 0.2; DMSO) [1]
IR (KBr) νmax cm−1: 3569, 2921, 1687, 1461, 1388, 1219, 1237, 1139, 1072, 992, 771, 652 [2]
1 H NMR (500 MHz, J/Hz, C5D5N): 1.29, 0.97, 0.89, 1.10, 1.76, 1.46, 1.14 (s, CH3-23, 24, 25, 26, 27, 29, 30), 3.07 (H-18), 3.35 (H-3), 5.10 (HO-19), 5.61 (H-12)
α-L-Arap: 4.78 (d, J = 7.1, H-1), 4.45 (d, J = 8.8, H-2), 4.18 (d, J = 3.3, H-3), 4.34 (dd, J = 1.0, 2.2, H-4), 4.34, 3.84 (H2-5) [2]
13 C NMR (125 MHz, C5D5N): [2]
Table 1
C-1 |
38.52 |
C-16 |
26.10 |
Ara-1 |
107.23 |
2 |
26.38 |
17 |
48.00 |
2 |
72.63 |
3 |
88.48 |
18 |
54.31 |
3 |
74.34 |
4 |
39.26 |
19 |
72.41 |
4 |
69.23 |
5 |
55.64 |
20 |
42.08 |
5 |
66.43 |
6 |
18.34 |
21 |
26.65 |
||
7 |
33.23 |
22 |
38.22 |
||
8 |
40.07 |
23 |
27.95 |
||
9 |
47.42 |
24 |
16.60 |
||
10 |
36.72 |
25 |
15.23 |
||
11 |
23.71 |
26 |
16.89... |
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References
I. Yosioka, T. Sugawara, A. Ohsuka, I. Kitagawa, Chem. Pharm. Bull. 19(8), 1700 (1971)
Z.-J. Jia, X.-Q. Liu, Z.-M. Liu, Phytochemistry 32(1), 155 (1993)
S.A. Sasmakov, Zh.M. Putieva, V.V. Kachala, Z. Saatov, A.S. Shashkov, Chem. Nat. Comp. 37(4), 347 (2001)
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(2013). Ziyu-Glycoside II. In: Azimova, S.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0541-2_1172
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