申请人:Bayer Aktiengesellschaft
公开号:US04770692A1
公开(公告)日:1988-09-13
Novel herbicidal and plant-growth regulating pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl, R.sup.2 represents nitro or cyano, R.sup.3 represents optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl or optionally substituted aryl, Ar represents phenyl which is substituted twice or more, or optionally substituted pyridyl, and Y represents O, S, SO or SO.sub.2. Several intermediates therefor are also new.
化学式为##STR1##的新型除草剂和植物生长调节剂吡唑酮,其中R.sup.1代表氢,烷基或卤代烷基,R.sup.2代表硝基或氰基,R.sup.3代表可选取代的烷基,可选取代的烯基,可选取代的炔基,可选取代的环烷基,可选取代的环烷基烷基,可选取代的芳基烷基或可选取代的芳基,Ar代表取代两次或更多的苯基或可选取代的吡啶基,Y代表O,S,SO或SO.sub.2。其中还有几个中间体是新的。