申请人:May & Baker Limited
公开号:US04459150A1
公开(公告)日:1984-07-10
New acylamino-N-phenylpyrazole derivatives of the formula: ##STR1## [wherein R.sup.1 represents R.sup.8 C(.dbd.O)--(wherein R.sup.8 represents H, C.sub.1-7 alkyl or C.sub.1-4 alkoxy optionally substituted by C.sub.1-4 alkoxy, C.sub.2-5 alkoxycarbonyl or halogen, C.sub.3-4 alkenyloxy, C.sub.3-6 cycloalkyl optionally substituted by CH.sub.3 or C.sub.2 H.sub.5, or phenoxy, R.sup.2 represents H or R.sup.8 C(.dbd.O)--, or R.sup.1 and R.sup.2 together represent --CO--(CR.sup.a R.sup.b).sub.m --CO--, R.sup.3 represents F, Cl, Br, C.sub.1-4 alkyl optionally substituted by halogen, or C.sub.2-4 alkenyl, R.sup.4 represents F, Cl, Br, NO.sub.2, CH.sub.3 or C.sub.2 H.sub.5 and R.sup.5, R.sup.6 and R.sup.7 represent H, F, Cl, Br, NO.sub.2, CH.sub.3 or C.sub.2 H.sub.5, or R.sup.4 and R.sup.5 each represent Cl and R.sup.3, R.sup.6 and R.sup.7 each represent H, R.sup.a and R.sup.b represent H or C.sub.1-4 alkyl, and m is 2 or 3] possess useful herbicidal properties.
新的N-苯基吡唑酮衍生物的式子:##STR1## [其中,R.sup.1代表R.sup.8 C(.dbd.O)--(其中,R.sup.8代表H,C.sub.1-7烷基或C.sub.1-4烷氧基,可选择性地被C.sub.1-4烷氧基,C.sub.2-5烷氧羰基或卤素,C.sub.3-4烯氧基,C.sub.3-6环烷基,可选择性地由CH.sub.3或C.sub.2 H.sub.5取代,或苯氧基),R.sup.2代表H或R.sup.8 C(.dbd.O)--,或R.sup.1和R.sup.2一起代表--CO--(CR.sup.aR.sup.b).sub.m--CO--,R.sup.3代表F,Cl,Br,C.sub.1-4烷基,可选择性地被卤素取代,或C.sub.2-4烯基,R.sup.4代表F,Cl,Br,NO.sub.2,CH.sub.3或C.sub.2 H.sub.5,而R.sup.5,R.sup.6和R.sup.7代表H,F,Cl,Br,NO.sub.2,CH.sub.3或C.sub.2 H.sub.5,或R.sup.4和R.sup.5各自代表Cl,而R.sup.3,R.sup.6和R.sup.7各自代表H,R.sup.a和R.sup.b代表H或C.sub.1-4烷基,m为2或3]具有有用的除草特性。