申请人:Nippon Soda Co., Ltd.
公开号:US05962685A1
公开(公告)日:1999-10-05
The present invention is directed to oxazole derivatives represented by the formula \x9bI!; ##STR1## wherein A represents a nitrogen atom or a R.sub.3 -substituted carbon atom; B represents a nitrogen atom, or an unsubstituted or X-substituted carbon atom; Z represents an oxygen atom, sulfinyl or sulfonyl; R.sub.1 and R.sub.2 represent each independently hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 haloalkoxy, C.sub.1 -C.sub.6 haloalkyl or the like; R.sub.3 represents hydrogen, C.sub.1 -C.sub.6 alkyl, halogen, nitro, formyl or acyl; X represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 alkynyl, C.sub.1 -C.sub.6 haloalkyl or the like; Y represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 alkynyl, C.sub.1 -C.sub.6 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.
本发明涉及一种由以下式子表示的噁唑衍生物:\x9bI!; ##STR1## 其中,A代表氮原子或R.sub.3-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;R.sub.1和R.sub.2各自独立地代表氢、C.sub.1-C.sub.6烷基、C.sub.1-C.sub.6氧烷基、C.sub.1-C.sub.6卤代氧烷基、C.sub.1-C.sub.6卤代烷基或类似物;R.sub.3代表氢、C.sub.1-C.sub.6烷基、卤素、硝基、甲酰基或酰基;X代表氢、C.sub.1-C.sub.6烷基、C.sub.3-C.sub.7环烷基、C.sub.2-C.sub.6烯基、C.sub.3-C.sub.6炔基、C.sub.1-C.sub.6卤代烷基或类似物;Y代表氢、C.sub.1-C.sub.6烷基、C.sub.3-C.sub.7环烷基、C.sub.2-C.sub.6烯基、C.sub.3-C.sub.6炔基、C.sub.1-C.sub.6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。本发明中所指定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。