Abstract
AbstractIn order to find new heterocyclic compounds with high herbicidal activity, a series of novel 2‐phenylpyridine derivatives were designed and synthesized by incorporating alkenyl into 2‐phenylpyridine moieties. The structures of the title compounds were characterized by 1H NMR, 13C NMR, 19F NMR, and HRMS. The herbicidal activities assay demonstrated that most of the title compounds showed 100% inhibition against Abutilon theophrasti and Amaranthus retroflexus at 150 g a.i./ha. At 37.5 g a.i./ha, compounds 6f and 6g exhibited comparable inhibition (>80%) against Abutilon theophrasti, Amaranthus retroflexus, and Eclipta prostrate, when compared with the positive control mesotrione at 150 g a.i./ha.
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