申请人:Rhone-Poulenc Agriculture Ltd.
公开号:US05424276A1
公开(公告)日:1995-06-13
5-Aryl isoxazole derivatives of general formula (I): ##STR1## wherein: Ar represents phenyl optionally substituted substituted by one or more groups R.sup.2 or pyridyl substituted by one or more groups R.sup.2 ; R represents: hydrogen, --CO.sub.2 R.sup.3, --COR.sup.4, cyano, halogen, alkyl or haloalkyl; R.sup.1 represents: alkyl, haloalkyl or cycloalkyl; R.sup.2 represents: a halogen atom, R.sup.4, nitro, --CO.sub.2 R.sup.3, --OR.sup.4, --S(O).sub.m R.sup.4, --S(O).sub.m R.sup.5, --O--(CH.sub.2).sub.p --OR.sup.4 or an alkyl group substituted by --OR.sup.4 ; R.sup.3 and R.sup.4, which may be the same or different, each represent alkyl or haloalkyl; R.sup.5 represents optionally substituted phenyl; p represents an integer from 1 to 3; and m represents zero, 1 or 2; the herbicidal properties of these derivatives and their application to crop protection is described.
通式(I)的5-芳基异噁唑衍生物:##STR1## 其中:Ar代表苯基,可选地被一个或多个R.sup.2基团取代,或者被一个或多个R.sup.2基团取代的吡啶基;R代表:氢,--CO.sub.2 R.sup.3,--COR.sup.4,氰基,卤素,烷基或卤代烷基;R.sup.1代表:烷基,卤代烷基或环烷基;R.sup.2代表:卤素原子,R.sup.4,硝基,--CO.sub.2 R.sup.3,--OR.sup.4,--S(O).sub.m R.sup.4,--S(O).sub.m R.sup.5,--O--(CH.sub.2).sub.p --OR.sup.4或被--OR.sup.4取代的烷基基团;R.sup.3和R.sup.4,可以相同也可以不同,分别代表烷基或卤代烷基;R.sup.5代表可选取代的苯基;p表示1到3的整数;m表示0、1或2;描述了这些衍生物的除草特性及其在作物保护中的应用。