申请人:Rhone-Poulenc Argriculture Ltd
公开号:US05366957A1
公开(公告)日:1994-11-22
5-Aryl isoxazole derivatives of formula (I): ##STR1## wherein: Ar represents phenyl optionally substituted 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.
式(I)的5-芳基异噁唑衍生物:其中:Ar代表苯基,可选择性地被一个或多个基团R.sup.2取代;R代表氢,-CO.sub.2R.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.2R.sup.3,-OR.sup.4,-S(O).sub.mR.sup.4,-S(O).sub.mR.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,每个代表烷基或卤代烷基;R.sup.5代表可选择性取代的苯基;p代表1到3之间的整数;m代表零,1或2;描述了这些衍生物的除草性能及其在作物保护中的应用。