A series of new kresoxim-methyl derivatives, (pyridinylphenoxymethylene)phenyl methoxyiminoacetates, were synthesized and their structures were confirmed by NMR and high-resolution mass spectrometry (HRMS). Although derived from a fungicide, the bioassays indicated that several new compounds had good herbicidal activities. At 37.5 g a.i./ha, compound 5c showed 100% inhibition against Abutilon theophrasti, Amaranthus retroflexus, and Eclipta prostrata, which was better than mesotrione. Compound 5e had a broad herbicidal spectrum against broadleaf weeds. The present work indicates that 5c and 5e may serve as new candidates for potential herbicides.

中文翻译：

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Kresoxim-甲基衍生物：（吡啶基苯氧基亚甲基）苯基甲氧基亚氨基乙酸酯的合成和除草活性

合成了一系列新的kresoxim-甲基衍生物，（吡啶基苯氧基亚甲基）苯基甲氧基亚氨基乙酸酯，并通过NMR和高分辨率质谱（HRMS）证实了它们的结构。尽管是从杀菌剂中提取的，但生物测定结果表明，几种新化合物具有良好的除草活性。在37.5 g ai / ha的条件下，化合物5c表现出对百草枯，，菜和梨形喜豆（Eclipta prostrata）的100％抑制作用，优于甲基磺草酮。化合物5e对阔叶杂草具有广泛的除草谱。目前的工作表明5c和5e可以作为潜在除草剂的新候选者。