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. 2023 Nov 20;48(4):149–155. doi: 10.1584/jpestics.D23-034

Fig. 6. Structure–activity relationship of aryloxyacetylthioureas for the inhibitory effect on radicle elongation of O. minor germinating seeds. On the benzene ring in the phenoxy moiety, any substitution at any position was acceptable for the activity. Cl-substitution at the m- or p- position had the most potent inhibitory effect. On the benzene ring in the phenylthiourea moiety, a substitution at the m- or p- position was essential for the activity. Specifically, an electron-withdrawing group at the p-position was critical for the activity.

Fig. 6. Structure–activity relationship of aryloxyacetylthioureas for the inhibitory effect on radicle elongation of O. minor germinating seeds. On the benzene ring in the phenoxy moiety, any substitution at any position was acceptable for the activity. Cl-substitution at the m- or p- position had the most potent inhibitory effect. On the benzene ring in the phenylthiourea moiety, a substitution at the m- or p- position was essential for the activity. Specifically, an electron-withdrawing group at the p-position was critical for the activity.