申请人:Bayer Aktiengesellschaft
公开号:US04685956A1
公开(公告)日:1987-08-11
Herbicidally active 1-aryl-5-hydrazinopyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or alkyl, R.sup.2 represents cyano or nitro, R.sup.3 represents hydrogen, or represents in each case optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl, or represents a radical ##STR2## or represents a radical --SO.sub.2 --R.sup.7, R.sup.4 represents hydrogen, or represents in each case optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl, or represents a radical ##STR3## or represents a radical --SO.sub.2 --R.sup.7, R.sup.5 represents hydrogen: or, in the case where R.sup.4 represents hydrogen, also represents a radical ##STR4## or represents a radical --SO.sub.2 --R.sup.7, or represents in each case optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl, wherein, in each case, X represents oxygen or sulphur, R.sup.6 represents hydrogen, alkyl, alkoxy, alkoxyalkyl, alkylthio, alkylthioalkyl, alkylamino, dialkylamino, halogenoalkyl, alkenyl or alkinyl, or represents optionally substituted cycloalkyl, or represents in each case optionally substituted aryl, aryloxy, arylthio or arylamino and R.sup.7 represents alkyl, hydroxyalkyl, alkoxyalkyl, halogenoalkyl, alkenyl, alkinyl or cycloalkyl, or represents in each case optionally substituted aralkyl or aryl and Ar represents substituted phenyl, or represents optionally substituted pyridyl.
式子为 ##STR1## 的具有除草活性的1-芳基-5-肼基吡唑,其中R.sup.1代表氢或烷基,R.sup.2代表氰基或硝基,R.sup.3代表氢,或在每种情况下代表可选择取代的烷基、烯基、炔基或环烷基,或代表一个基团 ##STR2## 或代表一个基团--SO.sub.2--R.sup.7,R.sup.4代表氢,或在每种情况下代表可选择取代的烷基、烯基、炔基或环烷基,或代表一个基团 ##STR3## 或代表一个基团--SO.sub.2--R.sup.7,R.sup.5代表氢: 或在R.sup.4代表氢的情况下,也代表一个基团 ##STR4## 或代表可选择取代的烷基、烯基、炔基或环烷基,在每种情况下,X代表氧或硫,R.sup.6代表氢、烷基、烷氧基、烷氧烷基、烷硫基、烷硫烷基、烷基氨基、二烷基氨基、卤代烷基、烯基或炔基,或代表可选择取代的环烷基,或代表在每种情况下可选择取代的芳基、芳氧基、芳硫基或芳基氨基,R.sup.7代表烷基、羟基烷基、烷氧基烷基、卤代烷基、烯基、炔基或环烷基,或代表在每种情况下可选择取代的芳基烷基或芳基,Ar代表取代的苯基,或代表可选择取代的吡啶基。