申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US06806230B1
公开(公告)日:2004-10-19
Pyrimidine derivatives having excellent herbicidal activities for crop plants and selectivity between crop plants and weeds, are presented. Pyrimidine derivatives represented by the following formula (I):
wherein R1 is a hydrogen atom, an alkyl group, a haloalkyl group or the like; R2 is an alkyl group, a phenyl group which may be substituted, or the like; R3 is a hydrogen atom, an alkyl group, an alkynyl group or the like; R7 is a hydrogen atom, a halogen atom, an alkyl group or the like; R8 is a hydrogen atom, an alkyl group or the like, W is a —C(═Q) Z— group or a —SO2— group; Q is O or S; Z is O, S, a —C(R4)R5—, a —NR6 group or the like; each of R4 and R5 is a hydrogen atom, an alkyl group, an alkoxy group or the like; R6 is a hydrogen atom or an alkyl group; and Ar is a phenyl group which may be substituted, a pyridyl group which may be substituted, or the like, and herbicides containing such pyrimidine derivatives as active ingredients.
本发明提供了具有优异的农作物除草活性和农作物与杂草之间选择性的嘧啶衍生物。嘧啶衍生物由以下式(I)表示:其中,R1是氢原子,烷基,卤代烷基或类似物;R2是烷基,苯基(可能被取代)或类似物;R3是氢原子,烷基,炔基或类似物;R7是氢原子,卤原子,烷基或类似物;R8是氢原子,烷基或类似物,W是—C(═Q) Z—基团或—SO2—基团;Q是氧或硫;Z是氧,硫,—C(R4)R5—,—NR6基团或类似物;R4和R5中的每一个是氢原子,烷基,烷氧基或类似物;R6是氢原子或烷基;Ar是苯基(可能被取代),吡啶基(可能被取代)或类似物,以及含有这种嘧啶衍生物作为活性成分的除草剂。