retroflexus. Using compound V-2, the mechanism of action was investigated based on a phenotype study using AFB5-deficient Arabidopsis thaliana. It was found that the novel 6-pyrazolyl-2-picolinic acids were auxinic compounds. In addition, it was proposed that V-2 may be an immune activator due to its upregulation of defense genes and the increased content of jasmonic acid.
设计并制备了一系列新型4-
氨基-3,5-二
氯-6-(5-芳基取代-1H-
吡唑-1-基)-
2-吡啶甲酸化合物来发现除草分子。测定了所有新化合物对拟南芥根生长的抑制活性。总体而言,新合成的化合物在500 μM浓度下表现出良好的抑制效果,并对杂草根部生长具有优异的除草活性。重要的是,一系列化合物表现出与
毒莠定相当的除草特性。在250 g/ha的剂量下,大多数化合物对防治藜和反枝苋表现出100%的苗后除草活性。使用化合物V-2,基于使用AFB5缺陷的拟南芥的表型研究来研究其作用机制。结果发现,新型6-
吡唑基-
2-吡啶甲酸是植物生长素类化合物。此外,有人提出,V-2可能是一种免疫激活剂,因为它上调了防御
基因并增加了
茉莉酸含量。