Nematocidal principles in 'oakmoss absolute' and nematocidal activity of 2,4-dihydroxybenzoates

Article abstract of DOI:10.1248/cpb.39.1043

Nematocidal principles obtained from oakmoss absolute were identified as methyl 2,4-dihydroxy-3,6-dimethylbenzoate (2), ethyl 3-formyl-2,4-dihydroxy-6-methylbenzoate (4), and ethyl 5-chloro-3-formyl-2,4-dihydroxy-6-methylbenzoate (7). In relation to their structures, the nematocidal activity of 2,4-dihydroxybenzoates of methyl to tetradecyl was tested and the strongest activity was found in the octyl ester (minimal lethal concentration=13 μM).

Full text of DOI:10.1248/cpb.39.1043

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