申请人:Rhone-Poulenc Agriculture Limited
公开号:US05371063A1
公开(公告)日:1994-12-06
The invention relates to 4-benzoylisoxazole derivatives of formula (I): ##STR1## wherein R represents hydrogen or --CO.sub.2 R.sup.4 ; R.sup.1 represents alkyl, haloalkyl or optionally substituted cycloalkyl; R.sup.2 represents halogen, alkyl, haloalkyl, alkyl substituted by one or more groups --OR.sup.5 ; or a group selected from nitro, cyano, --CO.sub.2 R.sup.5, --S(O).sub.p R.sup.6, --O(CH.sub.2).sub.m OR.sup.5, --COR.sup.5, --OR.sup.5 and --N(R.sup.8)SO.sub.2 R.sup.7 ; R.sup.3 represents --SO.sub.2 R.sup.7 ; X represents the oxygen atom; n represents zero or an integer from one to four; R.sup.4 represents alkyl or haloalkyl; R.sup.5 and R.sup.6, independently represent alkyl, haloalkyl or optionally substituted phenyl; R.sup.7 represents alkyl, haloalkyl, optionally substituted phenyl or --NR.sup.5 R.sup.6 ; R.sup.8 represents hydrogen, optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl, optionally substituted phenyl, --SO.sub.2 R.sup.6 or --OR.sup.5 ; p represents zero, one or two; and m represents an integer from one to three; and their use as herbicides is described.
该发明涉及式(I)的4-苯甲酰异噁唑衍生物:##STR1##其中R代表氢或--CO.sub.2 R.sup.4;R.sup.1代表烷基,卤代烷基或可选择取代的环烷基;R.sup.2代表卤素,烷基,卤代烷基,一个或多个基团--OR.sup.5取代的烷基;或从硝基,氰基,--CO.sub.2 R.sup.5,--S(O).sub.p R.sup.6,--O(CH.sub.2).sub.m OR.sup.5,--COR.sup.5,--OR.sup.5和--N(R.sup.8)SO.sub.2 R.sup.7中选择的基团;R.sup.3代表--SO.sub.2 R.sup.7;X代表氧原子;n代表零或从一到四的整数;R.sup.4代表烷基或卤代烷基;R.sup.5和R.sup.6,独立地代表烷基,卤代烷基或可选择取代的苯基;R.sup.7代表烷基,卤代烷基,可选择取代的苯基或--NR.sup.5 R.sup.6;R.sup.8代表氢,可选择卤代烷基,烯基或炔基;环烷基,可选择取代的苯基,--SO.sub.2 R.sup.6或--OR.sup.5;p代表零,一或二;m代表从一到三的整数;并描述了它们作为除草剂的用途。