Novel 3-isoxazolidinone compounds and novel hydroxamic acid intermediates from which they are prepared exhibit herbicidal activity to grassy and broad-leaf plant species while leaving legumes, especially soybeans, unaffected. The preparation and herbicidal activity of the compounds is exemplified.
新型3-
异噁唑烷酮化合物和新型羟
羧酸中间体表现出对禾本科和阔叶植物种类的除草活性,同时不影响豆科植物,特别是大豆。这些化合物的制备和除草活性得到了示范。