Design,Synthesis and Herbicidal Activity Evaluation of Novel Pyrazole Compounds Containing Benzothiazole Motifs
In order to find new pyrazole herbicides with high activity,11 benzothiazole-containing pyrazole derivatives were designed and synthesized based on the principle of active pharmacophore splice,using topramezone as the leading compound.The structures of the corresponding compounds were confirmed by1H NMR,13C NMR and HRMS.In addition,the synthetic method was optimized.Furthermore,in the preliminary testing of herbicide activity,compounds(1)d and(1)i showed good growth inhibition activity against barnyard grass and amaranthus retroflexus,which has further research potential.
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