Two New Guaiane Sesquiterpenoids from Daphne holosericea (Diels) Hamaya
Abstract
:1. Introduction
2. Results and Discussion
No. | 1 | 2 | ||
---|---|---|---|---|
δC | δH, J (Hz) | δC | δH, J (Hz) | |
1 | 93.4 | 157.0 | ||
2 | 32.1 | 1.74 m, 1.61 m (α-H) | 39.7 | 1.86 m (α-H), 1.69 m |
3 | 31.8 | 1.60 m, 1.45 m (α-H) | 32.4 | 1.85 m, 1.55 m (α-H) |
4 | 38.3 | 1.96 m | 36.0 | 2.25 m |
5 | 39.1 | 2.38 ddd (5.0, 8.5, 13.5) | 45.5 | 2.46 m |
6 | 24.9 | 1.82 m (α-H), 1.21 m | 19.5 | 2.40 dd (14.0, 9.5, α-H), 2.28 dd (14.0, 6.0) |
7 | 49.8 | 2.50 dd (10.5, 8.0) | 84.7 | |
8 | 110.2 | 176.5 | ||
9 | 50.6 | 2.22 d (13.6), 2.03 d (13.6, α-H) | 72.8 | 4.56 s |
10 | 76.1 | 126.9 | ||
11 | 152.1 | 149.9 | ||
12 | 72.2 | 4.48 d (13.0, α-H), 4.56 d (13.0) | 19.6 | 1.67 s |
13 | 104.6 | 4.95 d (2.4), 4.93 d (2.4) | 109.3 | 4.90 s, 4.72 s |
14 | 14.6 | 0.96 d (6.9) | 17.5 | 1.06 d (7.5) |
15 | 26.5 | 1.38 s | 12.5 | 2.02 s |
3. Experimental Section
3.1. General Information
3.2. Plant Material
3.3. Extraction and the Isolation
3.4. Bioassay of AChE Inhibitory Activity
4. Conclusions
Supplementary Materials
Supplementary Files
Supplementary File 1Acknowledgments
Author Contributions
Conflicts of Interest
References
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Ma, Q.-Y.; Chen, Y.-C.; Huang, S.-Z.; Guo, Z.-K.; Dai, H.-F.; Hua, Y.; Zhao, Y.-X. Two New Guaiane Sesquiterpenoids from Daphne holosericea (Diels) Hamaya. Molecules 2014, 19, 14266-14272. https://doi.org/10.3390/molecules190914266
Ma Q-Y, Chen Y-C, Huang S-Z, Guo Z-K, Dai H-F, Hua Y, Zhao Y-X. Two New Guaiane Sesquiterpenoids from Daphne holosericea (Diels) Hamaya. Molecules. 2014; 19(9):14266-14272. https://doi.org/10.3390/molecules190914266
Chicago/Turabian StyleMa, Qing-Yun, Yi-Chun Chen, Sheng-Zhuo Huang, Zhi-Kai Guo, Hao-Fu Dai, Yan Hua, and You-Xing Zhao. 2014. "Two New Guaiane Sesquiterpenoids from Daphne holosericea (Diels) Hamaya" Molecules 19, no. 9: 14266-14272. https://doi.org/10.3390/molecules190914266