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Marine‐natural‐products for biocides development: first discovery of meridianin alkaloids as antiviral and anti‐phytopathogenic‐fungus agents
Pest management science, 2020-10, Vol.76 (10), p.3369-3376
Dong, Ji
Huang, Shi‐sheng
Hao, Ya‐nan
Wang, Zi‐wen
Liu, Yu‐xiu
Li, Yong‐qiang
Wang, Qing‐min
2020
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Dong, Ji
Huang, Shi‐sheng
Hao, Ya‐nan
Wang, Zi‐wen
Liu, Yu‐xiu
Li, Yong‐qiang
Wang, Qing‐min
Titel
Marine‐natural‐products for biocides development: first discovery of meridianin alkaloids as antiviral and anti‐phytopathogenic‐fungus agents
Ist Teil von
Pest management science, 2020-10, Vol.76 (10), p.3369-3376
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2020
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
BACKGROUND Food is an important strategic material related to national economy and people's livelihood. Plant diseases seriously affect crop yield and quality. Marine natural products are an important source for novel drugs discovery. In this work, meridianin alkaloids were selected as the parent structure. A series of meridianin alkaloid analogues were rationally designed, synthesized and evaluated for their antiviral activities and fungicidal activities. RESULT These compounds were found to have good antiviral and fungicidal activities for the first time. The structure–activity relationship (SAR) research revealed that introducing bromine atom at the 5‐position of indole ring is beneficial to antiviral activity, but introducing methoxy group is not conducive. Introducing bromine atom at the 6‐position of indole ring or nitrogen atom at the 7‐position of the indole ring resulted in lower antiviral activity. Most of the meridianin derivatives showed higher anti‐TMV activities at 500 μg mL−1 than Ribavirin, especially for compounds 6c, 8a and 10a. All of the compounds also displayed broad spectrum fungicidal activities against 14 kinds of phytopathogenic fungi at 50 μg mL−1. CONCLUSION Compound 6c with relatively simple structure and excellent antiviral activity, which is similar to that of Ningnanmycin, emerged as novel anti‐TMV lead compound. Compound 5d with broad spectrum and high effect fungicidal activity emerged as a new fungicidal lead compound. Current research lays a solid foundation for the application of meridianin alkaloids in crop protection. © 2019 Society of Chemical Industry A series of meridianin alkaloid analogues were rationally designed, synthesized and evaluated for antiviral activities and fungicidal activities. Compound 6c with excellent antiviral activity emerged as novel anti‐TMV lead compound.
Sprache
Englisch
Identifikatoren
ISSN: 1526-498X
eISSN: 1526-4998
DOI: 10.1002/ps.5690
Titel-ID: cdi_proquest_miscellaneous_2317586833
Format
–
Schlagworte
Alkaloids
,
Antiviral activity
,
Antiviral agents
,
anti‐TMV activity
,
Biocides
,
Bromine
,
Crop yield
,
Drug discovery
,
Fungi
,
Fungicidal activity
,
Fungicides
,
Indoles
,
Lead
,
Lead compounds
,
marine natural products
,
meridianin alkaloids
,
Natural products
,
Phytopathogenic fungi
,
Plant diseases
,
Plant protection
,
Ribavirin
,
Strategic materials
,
structure–activity relationship
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