Two New Oxysporone Derivatives from the Fermentation Broth of the Endophytic Plant Fungus Pestalotiopsis karstenii Isolated from Stems of Camellia sasanqua
Abstract
:1. Introduction
2. Results and Discussion
NO. | Pestalrone A (1) | Pestalrone B (2) | ||
---|---|---|---|---|
δH a ( J in Hz) | δC b | δH a ( J in Hz) | δC b | |
2 | 169.2 (s) | 169.0 (s) | ||
3 | 3.65 (1H, d, J = 2.8) | 76.4 (d) | 4.17 (1H, d, 2.1) | 83.1 (d) |
4 | 4.82 (1H, dt, J = 4.0, 2.3) | 71.7 (d) | 4.80 (1H, t, J = 3.0) | 78.8 (d) |
5 | 1.88 (1H, dd,
J = 13.7, 4.1) 2.42 (1H, m) | 29.1 (t) | 2.03 (1H, d,
J = 12.5) 2.48 (1H, dt, 12.5, 2.9) | 35.8 (t) |
6 | 95.7 (s) | 104.7 (s) | ||
7 | 2.78 (1H, d,
J = 18.6) 2.98 (1H, dd, J = 18.6, 2.7) | 40.7 (t) | 2.81 (1H, d,
J = 17.9) 3.03 (1H, dd, J = 17.9, 2.1) | 45.7 (t) |
8 | 3.67 (1H, m) | 66.2 (d) | 1.61 (2H, m) | 27.5 (t) |
9 | 1.73 (1H, m) 1.39 (1H, m) | 32.5 (t) | 1.37 (2H, m) | 30.5 (t) |
10 | 1.51 (2H, m) | 18.6 (t) | 1.37 (2H, m) | 22.6 (t) |
11 | 0.96 (3H, t, J = 7.2) | 14.0 (q) | 0.92 (3H, m) | 13.9 (q) |
12 | 3.39 (3H, s) | 48.9 (q) | 3.43 (3H, s) | 50.0 (q) |
3. Experimental
3.1. General
3.2. Fungal Material and Cultivation Conditions
3.3. Extraction and Isolation
3.4. Biological Assays
4. Conclusions
Supplementary Materials
Acknowledgments
References
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Luo, D.Q.; Zhang, L.; Shi, B.Z.; Song, X.M. Two New Oxysporone Derivatives from the Fermentation Broth of the Endophytic Plant Fungus Pestalotiopsis karstenii Isolated from Stems of Camellia sasanqua. Molecules 2012, 17, 8554-8560. https://doi.org/10.3390/molecules17078554
Luo DQ, Zhang L, Shi BZ, Song XM. Two New Oxysporone Derivatives from the Fermentation Broth of the Endophytic Plant Fungus Pestalotiopsis karstenii Isolated from Stems of Camellia sasanqua. Molecules. 2012; 17(7):8554-8560. https://doi.org/10.3390/molecules17078554
Chicago/Turabian StyleLuo, Du Qiang, Lei Zhang, Bao Zhong Shi, and Xiao Mei Song. 2012. "Two New Oxysporone Derivatives from the Fermentation Broth of the Endophytic Plant Fungus Pestalotiopsis karstenii Isolated from Stems of Camellia sasanqua" Molecules 17, no. 7: 8554-8560. https://doi.org/10.3390/molecules17078554