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Chem Biodivers ; 20(2): e202200953, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36567259

RESUMO

Antifouling agents with low toxicity are in high demand for sustaining marine industries and the environment. This study aimed to synthesize 15 isothiocyanates derived from ß-citronellol and evaluate their antifouling activities and toxicities against cypris larvae of the barnacle Amphibalanus amphitrite. The synthesized isothiocyanates exhibited effective antifouling activities (EC50 =0.10-3.33 µg mL-1 ) with high therapeutic ratios (LC50 /EC50 >30). Four isothiocyanates with an amide or isocyano group showed great potential as effective antifouling agents (EC50 =0.10-0.32 µg mL-1 , LC50 /EC50 =104-833). The enantiomers of the isothiocyanates only slightly differed in their antifouling activities. These results may serve as a basis for further research and development of ß-citronellol-derived isothiocyanates as effective low-toxic antifouling agents. To the best of our knowledge, this study is the first to report the antifouling activities of isothiocyanates derived from accessible natural products.


Assuntos
Incrustação Biológica , Thoracica , Animais , Cianetos , Relação Estrutura-Atividade , Monoterpenos Acíclicos , Larva
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