Benzofurans, benzoic acid derivatives, diterpenes and pyrrolizidine alkaloids from Peruvian Senecio
Sixteen compounds incluiding four benzofurans (1–4), three benzoic acid derivatives (6–8), one eremophilane (9), four diterpenes (10–13) and four pyrrolizidine alkaloids (14–17) were isolated from Senecio subcandidus, S. klugii and S. ayapatensis from Perú. Compounds 1–4 and 6–9 have not been previously reported as natural products. Their molecular structures were determined by NMR spectroscopic analysis, comparison with published NMR data and chemical transformations. The X-ray analysis of acetylated derivative 5 and compound 7 were also performed. Their insecticidal and antifungal activities were tested.
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| Main Authors: | , , , , , , , |
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| Other Authors: | |
| Format: | artículo biblioteca |
| Published: |
Elsevier
2018-12
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| Subjects: | Senecio, Benzofurans, Benzoic acid derivatives, Diterpenes, Pyrrolizidine alkaloids, Asteraceae, |
| Online Access: | http://hdl.handle.net/10261/179474 http://dx.doi.org/10.13039/501100010198 http://dx.doi.org/10.13039/501100003339 |
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| Summary: | Sixteen compounds incluiding four benzofurans (1–4), three benzoic acid derivatives (6–8), one eremophilane (9), four diterpenes (10–13) and four pyrrolizidine alkaloids (14–17) were isolated from Senecio subcandidus, S. klugii and S. ayapatensis from Perú. Compounds 1–4 and 6–9 have not been previously reported as natural products. Their molecular structures were determined by NMR spectroscopic analysis, comparison with published NMR data and chemical transformations. The X-ray analysis of acetylated derivative 5 and compound 7 were also performed. Their insecticidal and antifungal activities were tested. |
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