申请人:NIPPON SODA CO., LTD.
公开号:EP0776894A1
公开(公告)日:1997-06-04
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, C1-C6 alkynyl, C1-C6 haloalkyl or the like; Y represents hydrogen, C1-C6 alkyl, C3-C7 cycloalkyl, C2-C 6 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.
本发明涉及式[I]代表的噁唑衍生物;
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、亚砜基或磺酰基;R1 和 R2 各自独立地代表氢、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 代表氢、C1-C6 烷基、卤素、硝基、甲酰基或酰基;X代表氢、C1-C6烷基、C3-C7环烷基、C2-C6烯基、C1-C6炔基、C1-C6卤代烷基或类似物;Y代表氢、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代表1或2的整数,n代表1、2、3或4的整数,及其盐类。本发明所述化合物具有优异的除草活性,可用作除草剂的活性成分。