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Decursinol chloroacrylates useful as fungicides
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- Authors
- Issue Date
- 2022-08-06
- Publisher
- Springer Open
- Citation
- Applied Biological Chemistry, 65(1):53
- Keywords
- Natural products ; Semisynthesis ; Antifungal activity ; Decursin derivatives ; Fusarium oxysporum ; Magnaporthe oryzae ; Organic Synthesis
- Abstract
- Natural products decursin and decursinol angelate were recently reported as benign fungicides for controlling rice blast. Inspired by the structural similarity of the cumarin compounds and gained hint from the skeletal motifs, we designed and prepared synthetic compounds to increase the natural product efficacy and evaluated their antifungal activities against various plant disease pathogens in vitro. Synthetically prepared compound 4 and 5 indeed suppressed the mycelial growth of B. cinerea, F. oxysporum, P. italicum, and R. quercus-mongolicae. Additionally, compound 5 effectively prevents the growth of C. coccodes and C. parasitica. Furthermore, both 4 and 5 possess better inhibitory activities on spore germination of F. oxysporum and M. oryzae than the natural product decursin and commercial pesticide Iprodione. These results suggest that the effect of the lead compound for plant disease protection can be improved by tuning the structure of the original natural product and decursinol chloroacrylates 4 and 5 are candidates for the control of F. oxysporum and M. oryzae.
- ISSN
- 2468-0842
- Language
- English
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