OXAZOLIDINEDIONE DERIVATIVES, PROCESS FOR THEIR PREPARATION, AND HERBICIDES CONTAINING THE SAME
申请人:SAGAMI CHEMICAL RESEARCH CENTER
公开号:EP0241559A1
公开(公告)日:1987-10-21
The derivatives are represented by general formula (1) wherein R1, R2, and R3 each independently represents hydrogen, halogen, nitro, alkyl, alkoxy, alkenyloxy, alkynyloxy or cycloalkyloxy; R4 and R5 each independently represents hydrogen, alkyl, aryl or, when taken together, R4 and R5 form a polymethylene chain; with the above-described alkyl, alkoxy, alkenyloxy, alkynyloxy, cycloalkyloxy, and aryl being optionally substituted. The novel derivatives show an excellent herbicidal activity against harmful weed with low phytotoxicity for crop plants.
这些衍生物由通式(1)表示,其中 R1、R2 和 R3 各自独立地代表氢、卤素、硝基、烷基、烷氧基、烯氧基、炔氧基或环烷氧基;R4 和 R5 各自独立地代表氢、烷基、芳基,或者当 R4 和 R5 合在一起时形成聚亚甲基链;上述烷基、烷氧基、烯氧基、炔氧基、环烷氧基和芳基被任选取代。这些新型衍生物对有害杂草具有出色的除草活性,对作物植物的植物毒性较低。