Two New Compounds Isolated from Liriope muscari
Abstract
:1. Introduction
2. Results and Discussion
2.1. Structure Analysis and Characterization of Compounds 1–3
2.2. In Vitro Antioxidant Activity
3. Experimental
3.1. General
3.2. Plant Material
3.3. Compound Isolation
4. Conclusions
Acknowledgments
Conflict of Interest
References
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Sample Availability: Samples of the crude extracts and pure compounds are available from the authors. |
Position | δC | δH |
---|---|---|
2 | 88.2 | 5.52 (1H, d, 6.6 Hz) |
3 | 53.0 | 3.51 (1H, q, 6.6, 6.0 Hz) |
3a | 130.5 | |
4 | 117.9 | 7.40 (1H, d, 1.8 Hz) |
5 | 122.8 | |
6 | 117.6 | 7.33 (1H, d, 1.8 Hz) |
7 | 141.4 | |
7a | 151.7 | |
8 | 166.6 | |
9 | 63.1 | 3.68 (2H, dd, 6.0, 1.8 Hz) |
1′ | 132.2 | |
2′ | 110.9 | 6.93 (1H, d, 1.8 Hz) |
3′ | 148.1 | |
4′ | 147.0 | |
5′ | 115.8 | 6.75 (1H, d, 7.8 Hz) |
6′ | 119.3 | 6.78 (1H, dd, 7.8, 1.8 Hz) |
8-OCH3 | 52.2 | 3.77 (3H, s) |
3′-OCH3 | 56.1 | 3.74 (3H, s) |
Position | δC | δH |
---|---|---|
2 | 176.5 | |
3 | 32.1 | 2.70 (1H, m), 2.52 (1H, m) |
4 | 47.8 | 2.75 (1H, m) |
5 | 82.5 | 5.62 (1H, d, 9.0 Hz) |
6 | 29.3 | 1.75 (1H, m) |
7 | 18.6 | 0.98 (3H, d, 7.0 Hz) |
8 | 21.6 | 0.79 (3H, d, 6.5 Hz) |
1′ | 135.2 | |
2′ | 123.4 | |
3′ | 152.6 | |
4′ | 115.2 | 6.68 (1H, d, 8.5 Hz) |
5′ | 129.7 | 6.88 (1H, d, 8.5 Hz) |
6′ | 129 | |
2′-CH3 | 12.4 | 2.26 (3H, s) |
6′-CH3 | 20.5 | 2.32 (3H, s) |
Compound | IC50-DPPH (µM) | IC50-ABTS (µM) |
---|---|---|
Compound 1 | 111.8 ± 9.0 | 18.5 ± 1.8 |
Compound 2 | -- | 46.4 ± 3.7 |
Compound 3 | 43.8 ± 3.7 | 23.1 ± 1.5 |
VC | 17.3 ± 1.3 | 52.9 ± 4.2 |
BHT | 188 ± 15.2 | 25 ± 2.4 |
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Share and Cite
Li, W.-J.; Zhang, Z.-H.; Cheng, X.-L.; Liu, J.; He, Y.; Zhou, C.; Guo, Y.; Lin, R.-C.; Wang, G.-L. Two New Compounds Isolated from Liriope muscari. Molecules 2012, 17, 8773-8781. https://doi.org/10.3390/molecules17088773
Li W-J, Zhang Z-H, Cheng X-L, Liu J, He Y, Zhou C, Guo Y, Lin R-C, Wang G-L. Two New Compounds Isolated from Liriope muscari. Molecules. 2012; 17(8):8773-8781. https://doi.org/10.3390/molecules17088773
Chicago/Turabian StyleLi, Wen-Jie, Zhi-Hao Zhang, Xian-Long Cheng, Jing Liu, Yi He, Chao Zhou, Ying Guo, Rui-Chao Lin, and Gang-Li Wang. 2012. "Two New Compounds Isolated from Liriope muscari" Molecules 17, no. 8: 8773-8781. https://doi.org/10.3390/molecules17088773