Two New Triterpene Glycosides with Monomethyl Malonate Groups from the Rhizome of Cimifuga foetida L.
Abstract
:1. Introduction
2. Results and Discussion
No | 1 a | 2 b | No | 1 a | 2 b | ||||
---|---|---|---|---|---|---|---|---|---|
13C | 1H | 13C | 1H | 13C | 1H | 13C | 1H | ||
1 | 32.0 t | 1.20 m; 1.52 m | 31.8 t | 1.15 m; 1.52 m | 20 | 34.3 d | 2.15 m | 26.0 d | 1.79 m |
2 | 29.8 t | 1.85 m; 2.20 m | 29.7 t | 1.88 m; 2.28 m | 21 | 17.5 q | 1.15 d 6.4 | 21.0 q | 0.94 d 6.3 |
3 | 88.5 d | 3.39 d 3.5 | 88.2 d | 3.31 dd 4.5, 11.5 | 22 | 86.3 d | 3.67 m | 37.6 t | 1.65 m; 2.20 m |
4 | 41.0 s | / | 40.9 s | / | 23 | 109.7 s | / | 105.8 s | / |
5 | 47.3 d | 1.33 m | 46.9 d | 1.26 m | 24 | 30.0 t | 1.54 m | 63.5 d | 3.90 s |
6 | 20.9 t | 0.73 m; 1.31 m | 20.1 t | 0.65 m; 1.45 m | 25 | 83.4 s | / | 65.6 s | / |
7 | 26.1 t | 1.61 m | 25.7 t | 0.95 m; 1.30 m | 26 | 27.1 q | 1.51 s | 98.4 d | 5.70 s |
8 | 47.5 d | 1.49 m | 45.8 d | 1.52 m | 27 | 24.6 q | 1.61 s | 13.1 q | 1.74 s |
9 | 19.7 s | / | 20.4 s | / | 28 | 19.7 q | 0.83 s | 19.5 q | 0.75 s |
10 | 26.4 s | / | 26.7 s | / | 29 | 25.6 q | 1.30 s | 25.6 q | 1.08 s |
11 | 26.5 t | 1.79 m | 36.7 t | 1.16 m; 2.68 dd 8.3, 15.9 | 30 | 15.2 q | 0.97 s | 15.1 q | 0.91 s |
12 | 33.4 d | 1.50 m | 77.1 d | 5.05 dd 3.7, 8.5 | 1' | 104.2 d | 4.83 d 7.4 | 104.1 d | 4.79 d 7.8 |
13 | 46.9 s | / | 48.7 s | / | 2' | 76.8 d | 5.54 t 6.9 | 76.7 d | 5.50 t 8.4 |
14 | 45.3 s | / | 47.8 s | / | 3' | 76.6 d | 4.15 m | 76.1 d | 4.11 m |
15 | 42.8 t | 1.58 m; 1.87 m | 43.6 t | 1.89 dd 8.1, 12.6; 1.71 m | 4' | 71.3 d | 4.18 m | 71.3 d | 4.15 m |
16 | 72.5 d | 4.40 dd 6.0, 12.5 | 73.0 d | 4.58 dd 7.1, 14.2 | 5' | 67.1 t | 3.64 m; 4.29 dd 3.5, 8.7 | 67.1 t | 3.60 m; 4.25 dd 7.1, 11.9 |
17 | 51.6 d | 1.50 m | 56.4 d | 1.77 m | 1'' | 166.5 s | / | 166.5 s | / |
18 | 20.6 q | 1.14 s | 13.6 q | 1.33 s | 2'' | 42.0 t | 3.78 s | 42.0 t | 3.74 s |
19 | 30.2 t | 0.13 d 2.9; 0.39 d 2.9 | 29.6 t | 0.17 d 4.0; 0.50 d 4.0 | 3'' | 167.2 s | / | 167.2 s | / |
3. Experimental
3.1. General
3.2. Plant Material
3.3. Extraction and Isolation
3.4. Acid Hydrolysis of Compounds 1, 2
4. Conclusions
Acknowledgements
References
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- Sample Availability: Samples of the compounds 1–6 are available from the authors.
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Sun, L.-R.; Yan, J.; Zhou, L.; Li, Z.-R.; Qiu, M.-H. Two New Triterpene Glycosides with Monomethyl Malonate Groups from the Rhizome of Cimifuga foetida L. Molecules 2011, 16, 5701-5708. https://doi.org/10.3390/molecules16075701
Sun L-R, Yan J, Zhou L, Li Z-R, Qiu M-H. Two New Triterpene Glycosides with Monomethyl Malonate Groups from the Rhizome of Cimifuga foetida L. Molecules. 2011; 16(7):5701-5708. https://doi.org/10.3390/molecules16075701
Chicago/Turabian StyleSun, Li-Rong, Jian Yan, Lin Zhou, Zhong-Rong Li, and Ming-Hua Qiu. 2011. "Two New Triterpene Glycosides with Monomethyl Malonate Groups from the Rhizome of Cimifuga foetida L." Molecules 16, no. 7: 5701-5708. https://doi.org/10.3390/molecules16075701