申请人:Nippon Soda Co., Ltd.
公开号:US06268310B1
公开(公告)日:2001-07-31
The present invention is directed to oxazole derivatives represented by the formula [I];
wherein A represents a nitrogen atom or a R3-substituted carbon atom; B represents a nitrogen atom, or an unsubstituted or X-substituted carbon atom; Z represents an oxygen atom, sulfinyl or sulfonyl; R1 and R2 represent each independently hydrogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 haloalkoxy, C1-C6 haloalkyl or the like; R3 represents hydrogen, C1-C6 alkyl, halogen, nitro, formyl or acyl; X represents hydrogen, C1-C6 alkyl, C3-C7 cycloalkyl, C2-C6 alkenyl, C3-C6 alkynyl, C1-C6 haloalkyl or the like; Y represents hydrogen, C1-C6 alkyl, C3-C7 cycloalkyl, C2-C6 alkenyl, C3-C6 alkynyl, C1-C6 haloalkyl or the like; m represents an integar of 1 or 2, and n represents an integar of 1, 2, 3 or 4, and the salts thereof. The compounds specified in the present invention have an excellent herbicidal activity and are useful as an active ingredients for herbicides.
本发明涉及由公式[I]表示的噁唑衍生物;其中A代表氮原子或R3取代的碳原子;B代表氮原子或未取代或X取代的碳原子;Z代表氧原子、磺酰基或亚磺酰基;R1和R2各自独立地表示氢、C1-C6烷基、C1-C6烷氧基、C1-C6卤代烷氧基、C1-C6卤代烷基或类似物;R3表示氢、C1-C6烷基、卤素、硝基、甲酰基或酰基;X表示氢、C1-C6烷基、C3-C7环烷基、C2-C6烯基、C3-C6炔基、C1-C6卤代烷基或类似物;Y表示氢、C1-C6烷基、C3-C7环烷基、C2-C6烯基、C3-C6炔基、C1-C6卤代烷基或类似物;m表示1或2的整数,n表示1、2、3或4的整数,以及其盐。本发明所述的化合物具有优异的除草活性,并可用作除草剂的活性成分。