An oxazolidinedione compound represented by the formula (I):
wherein R1 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 3 to 5 carbon atoms, an alkenyl group having 3 to 5 carbon atoms, an alkynyl group having 3 to 5 carbon atoms or an alkoxycarbonyl group having 1 or 2 carbon atoms in the alkyl moiety thereof, R2 represents an alkyl group having 3 to 5 carbon atoms or a cycloalkyl group having 3 to 5 carbon atoms, and X represents a chlorine atom or a fluorine atom; a process for preparing the same; and a herbicidal composition comprising the oxazolidinedione compound as an active component are disclosed. The above oxazolidinedione compounds exhibit a high selectivity for useful crop plants and a strong herbicidal activity with respect to various noxious weeds.
一种由式(I)代表的
噁唑烷二酮化合物:
其中 R1 代表氢原子、具有 1 至 5 个碳原子的烷基、具有 3 至 5 个碳原子的环烷基、具有 3 至 5 个碳原子的烯基、具有 3 至 5 个碳原子的炔基或在其烷基中具有 1 或 2 个碳原子的烷氧羰基,R2 代表具有 3 至 5 个碳原子的烷基或具有 3 至 5 个碳原子的环烷基,X 代表
氯原子或
氟原子;本发明公开了制备上述化合物的工艺;以及包含该
噁唑烷二酮化合物作为活性成分的除草组合物。上述
噁唑烷二酮化合物对有用的作物植物具有很高的选择性,对各种有害杂草具有很强的除草活性。